51505818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:252

約数の個数: 128

約数和(自身を含む): 139345920

約数和(自身を除く): 87840102

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 26, 31, 34, 39, 42, 51, 62, 78, 91, 93, 102, 119, 179, 182, 186, 217, 221, 238, 273, 357, 358, 403, 434, 442, 527, 537, 546, 651, 663, 714, 806, 1054, 1074, 1209, 1253, 1302, 1326, 1547, 1581, 2327, 2418, 2506, 2821, 3043, 3094, 3162, 3689, 3759, 4641, 4654, 5549, 5642, 6086, 6851, 6981, 7378, 7518, 8463, 9129, 9282, 11067, 11098, 13702, 13962, 16289, 16647, 16926, 18258, 20553, 21301, 22134, 32578, 33294, 38843, 39559, 41106, 42602, 47957, 48867, 63903, 72137, 77686, 79118, 94333, 95914, 97734, 116529, 118677, 127806, 143871, 144274, 188666, 216411, 233058, 237354, 276913, 282999, 287742, 432822, 504959, 553826, 565998, 660331, 830739, 1009918, 1226329, 1320662, 1514877, 1661478, 1980993, 2452658, 3029754, 3678987, 3961986, 7357974, 8584303, 17168606, 25752909, 51505818]

約数ペア:

[(1, 51505818), (2, 25752909), (3, 17168606), (6, 8584303), (7, 7357974), (13, 3961986), (14, 3678987), (17, 3029754), (21, 2452658), (26, 1980993), (31, 1661478), (34, 1514877), (39, 1320662), (42, 1226329), (51, 1009918), (62, 830739), (78, 660331), (91, 565998), (93, 553826), (102, 504959), (119, 432822), (179, 287742), (182, 282999), (186, 276913), (217, 237354), (221, 233058), (238, 216411), (273, 188666), (357, 144274), (358, 143871), (403, 127806), (434, 118677), (442, 116529), (527, 97734), (537, 95914), (546, 94333), (651, 79118), (663, 77686), (714, 72137), (806, 63903), (1054, 48867), (1074, 47957), (1209, 42602), (1253, 41106), (1302, 39559), (1326, 38843), (1547, 33294), (1581, 32578), (2327, 22134), (2418, 21301), (2506, 20553), (2821, 18258), (3043, 16926), (3094, 16647), (3162, 16289), (3689, 13962), (3759, 13702), (4641, 11098), (4654, 11067), (5549, 9282), (5642, 9129), (6086, 8463), (6851, 7518), (6981, 7378)]