305996912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{2129}}^1$

素因数の和:2841

約数の個数: 40

約数和(自身を含む): 639698640

約数和(自身を除く): 333701728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 691, 1382, 2129, 2764, 4258, 5528, 8516, 8983, 11056, 17032, 17966, 27677, 34064, 35932, 55354, 71864, 110708, 143728, 221416, 442832, 1471139, 2942278, 5884556, 11769112, 19124807, 23538224, 38249614, 76499228, 152998456, 305996912]

約数ペア:

[(1, 305996912), (2, 152998456), (4, 76499228), (8, 38249614), (13, 23538224), (16, 19124807), (26, 11769112), (52, 5884556), (104, 2942278), (208, 1471139), (691, 442832), (1382, 221416), (2129, 143728), (2764, 110708), (4258, 71864), (5528, 55354), (8516, 35932), (8983, 34064), (11056, 27677), (17032, 17966)]