15877886969

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 19438755840

約数和(自身を除く): 3560868871

約数列:

[1, 7, 53, 61, 79, 83, 107, 371, 427, 553, 581, 749, 3233, 4187, 4399, 4819, 5063, 5671, 6527, 6557, 8453, 8881, 22631, 29309, 30793, 33733, 35441, 39697, 45689, 45899, 59171, 62167, 255407, 268339, 345931, 347521, 399977, 448009, 470693, 515633, 541741, 701599, 1787849, 1878373, 2421517, 2432647, 2799839, 3136063, 3294851, 3609431, 3792187, 4911193, 21198781, 27328549, 28712273, 37184747, 42797539, 148391467, 191299843, 200985911, 260293229, 299582773, 2268269567, 15877886969]

約数ペア:

[(1, 15877886969), (7, 2268269567), (53, 299582773), (61, 260293229), (79, 200985911), (83, 191299843), (107, 148391467), (371, 42797539), (427, 37184747), (553, 28712273), (581, 27328549), (749, 21198781), (3233, 4911193), (4187, 3792187), (4399, 3609431), (4819, 3294851), (5063, 3136063), (5671, 2799839), (6527, 2432647), (6557, 2421517), (8453, 1878373), (8881, 1787849), (22631, 701599), (29309, 541741), (30793, 515633), (33733, 470693), (35441, 448009), (39697, 399977), (45689, 347521), (45899, 345931), (59171, 268339), (62167, 255407)]