1281856758

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{349}}^1$

素因数の和:443

約数の個数: 144

約数和(自身を含む): 3328138800

約数和(自身を除く): 2046282042

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 31, 39, 42, 49, 62, 78, 91, 93, 98, 147, 182, 186, 217, 273, 294, 349, 403, 434, 546, 637, 651, 698, 806, 961, 1047, 1209, 1274, 1302, 1519, 1911, 1922, 2094, 2418, 2443, 2821, 2883, 3038, 3822, 4537, 4557, 4886, 5642, 5766, 6727, 7329, 8463, 9074, 9114, 10819, 12493, 13454, 13611, 14658, 16926, 17101, 19747, 20181, 21638, 24986, 27222, 31759, 32457, 34202, 37479, 39494, 40362, 47089, 51303, 59241, 63518, 64914, 74958, 75733, 87451, 94178, 95277, 102606, 118482, 140647, 141267, 151466, 174902, 190554, 222313, 227199, 262353, 281294, 282534, 335389, 421941, 444626, 454398, 524706, 530131, 612157, 666939, 670778, 843882, 984529, 1006167, 1060262, 1224314, 1333878, 1590393, 1836471, 1969058, 2012334, 2347723, 2953587, 3180786, 3672942, 4360057, 4695446, 5907174, 6891703, 7043169, 8720114, 13080171, 13783406, 14086338, 16434061, 20675109, 26160342, 30520399, 32868122, 41350218, 49302183, 61040798, 91561197, 98604366, 183122394, 213642793, 427285586, 640928379, 1281856758]

約数ペア:

[(1, 1281856758), (2, 640928379), (3, 427285586), (6, 213642793), (7, 183122394), (13, 98604366), (14, 91561197), (21, 61040798), (26, 49302183), (31, 41350218), (39, 32868122), (42, 30520399), (49, 26160342), (62, 20675109), (78, 16434061), (91, 14086338), (93, 13783406), (98, 13080171), (147, 8720114), (182, 7043169), (186, 6891703), (217, 5907174), (273, 4695446), (294, 4360057), (349, 3672942), (403, 3180786), (434, 2953587), (546, 2347723), (637, 2012334), (651, 1969058), (698, 1836471), (806, 1590393), (961, 1333878), (1047, 1224314), (1209, 1060262), (1274, 1006167), (1302, 984529), (1519, 843882), (1911, 670778), (1922, 666939), (2094, 612157), (2418, 530131), (2443, 524706), (2821, 454398), (2883, 444626), (3038, 421941), (3822, 335389), (4537, 282534), (4557, 281294), (4886, 262353), (5642, 227199), (5766, 222313), (6727, 190554), (7329, 174902), (8463, 151466), (9074, 141267), (9114, 140647), (10819, 118482), (12493, 102606), (13454, 95277), (13611, 94178), (14658, 87451), (16926, 75733), (17101, 74958), (19747, 64914), (20181, 63518), (21638, 59241), (24986, 51303), (27222, 47089), (31759, 40362), (32457, 39494), (34202, 37479)]