205399688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{32377}}^1$

素因数の和:32457

約数の個数: 32

約数和(自身を含む): 421561560

約数和(自身を除く): 216161872

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 244, 488, 793, 1586, 3172, 6344, 32377, 64754, 129508, 259016, 420901, 841802, 1683604, 1974997, 3367208, 3949994, 7899988, 15799976, 25674961, 51349922, 102699844, 205399688]

約数ペア:

[(1, 205399688), (2, 102699844), (4, 51349922), (8, 25674961), (13, 15799976), (26, 7899988), (52, 3949994), (61, 3367208), (104, 1974997), (122, 1683604), (244, 841802), (488, 420901), (793, 259016), (1586, 129508), (3172, 64754), (6344, 32377)]