81114796

素因数分解:

$2^2\times 7^2\times {\mathrm{557}}^1\times {\mathrm{743}}^1$

素因数の和:1318

約数の個数: 36

約数和(自身を含む): 165645648

約数和(自身を除く): 84530852

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 557, 743, 1114, 1486, 2228, 2972, 3899, 5201, 7798, 10402, 15596, 20804, 27293, 36407, 54586, 72814, 109172, 145628, 413851, 827702, 1655404, 2896957, 5793914, 11587828, 20278699, 40557398, 81114796]

約数ペア:

[(1, 81114796), (2, 40557398), (4, 20278699), (7, 11587828), (14, 5793914), (28, 2896957), (49, 1655404), (98, 827702), (196, 413851), (557, 145628), (743, 109172), (1114, 72814), (1486, 54586), (2228, 36407), (2972, 27293), (3899, 20804), (5201, 15596), (7798, 10402)]