81299764

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1499}}^1$

素因数の和:1672

約数の個数: 48

約数和(自身を含む): 176400000

約数和(自身を除く): 95100236

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 149, 182, 298, 364, 596, 1043, 1499, 1937, 2086, 2998, 3874, 4172, 5996, 7748, 10493, 13559, 19487, 20986, 27118, 38974, 41972, 54236, 77948, 136409, 223351, 272818, 446702, 545636, 893404, 1563457, 2903563, 3126914, 5807126, 6253828, 11614252, 20324941, 40649882, 81299764]

約数ペア:

[(1, 81299764), (2, 40649882), (4, 20324941), (7, 11614252), (13, 6253828), (14, 5807126), (26, 3126914), (28, 2903563), (52, 1563457), (91, 893404), (149, 545636), (182, 446702), (298, 272818), (364, 223351), (596, 136409), (1043, 77948), (1499, 54236), (1937, 41972), (2086, 38974), (2998, 27118), (3874, 20986), (4172, 19487), (5996, 13559), (7748, 10493)]