854877790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{1609}}^1$

素因数の和:1757

約数の個数: 64

約数和(自身を含む): 1710515520

約数和(自身を除く): 855637730

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 67, 122, 130, 134, 305, 335, 610, 670, 793, 871, 1586, 1609, 1742, 3218, 3965, 4087, 4355, 7930, 8045, 8174, 8710, 16090, 20435, 20917, 40870, 41834, 53131, 98149, 104585, 106262, 107803, 196298, 209170, 215606, 265655, 490745, 531310, 539015, 981490, 1078030, 1275937, 1401439, 2551874, 2802878, 6379685, 6575983, 7007195, 12759370, 13151966, 14014390, 32879915, 65759830, 85487779, 170975558, 427438895, 854877790]

約数ペア:

[(1, 854877790), (2, 427438895), (5, 170975558), (10, 85487779), (13, 65759830), (26, 32879915), (61, 14014390), (65, 13151966), (67, 12759370), (122, 7007195), (130, 6575983), (134, 6379685), (305, 2802878), (335, 2551874), (610, 1401439), (670, 1275937), (793, 1078030), (871, 981490), (1586, 539015), (1609, 531310), (1742, 490745), (3218, 265655), (3965, 215606), (4087, 209170), (4355, 196298), (7930, 107803), (8045, 106262), (8174, 104585), (8710, 98149), (16090, 53131), (20435, 41834), (20917, 40870)]