491712018

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:312

約数の個数: 128

約数和(自身を含む): 1218723840

約数和(自身を除く): 727011822

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 37, 42, 59, 62, 74, 93, 111, 118, 173, 177, 186, 217, 222, 259, 346, 354, 413, 434, 518, 519, 651, 777, 826, 1038, 1147, 1211, 1239, 1302, 1554, 1829, 2183, 2294, 2422, 2478, 3441, 3633, 3658, 4366, 5363, 5487, 6401, 6549, 6882, 7266, 8029, 10207, 10726, 10974, 12802, 12803, 13098, 15281, 16058, 16089, 19203, 20414, 24087, 25606, 30562, 30621, 32178, 37541, 38406, 38409, 44807, 45843, 48174, 61242, 67673, 71449, 75082, 76818, 89614, 91686, 112623, 134421, 135346, 142898, 198431, 203019, 214347, 225246, 268842, 316417, 377659, 396862, 406038, 428694, 473711, 595293, 632834, 755318, 947422, 949251, 1132977, 1190586, 1389017, 1421133, 1898502, 2214919, 2265954, 2643613, 2778034, 2842266, 4167051, 4429838, 5287226, 6644757, 7930839, 8334102, 11707429, 13289514, 15861678, 23414858, 35122287, 70244574, 81952003, 163904006, 245856009, 491712018]

約数ペア:

[(1, 491712018), (2, 245856009), (3, 163904006), (6, 81952003), (7, 70244574), (14, 35122287), (21, 23414858), (31, 15861678), (37, 13289514), (42, 11707429), (59, 8334102), (62, 7930839), (74, 6644757), (93, 5287226), (111, 4429838), (118, 4167051), (173, 2842266), (177, 2778034), (186, 2643613), (217, 2265954), (222, 2214919), (259, 1898502), (346, 1421133), (354, 1389017), (413, 1190586), (434, 1132977), (518, 949251), (519, 947422), (651, 755318), (777, 632834), (826, 595293), (1038, 473711), (1147, 428694), (1211, 406038), (1239, 396862), (1302, 377659), (1554, 316417), (1829, 268842), (2183, 225246), (2294, 214347), (2422, 203019), (2478, 198431), (3441, 142898), (3633, 135346), (3658, 134421), (4366, 112623), (5363, 91686), (5487, 89614), (6401, 76818), (6549, 75082), (6882, 71449), (7266, 67673), (8029, 61242), (10207, 48174), (10726, 45843), (10974, 44807), (12802, 38409), (12803, 38406), (13098, 37541), (15281, 32178), (16058, 30621), (16089, 30562), (19203, 25606), (20414, 24087)]