65585416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{33191}}^1$

素因数の和:33229

約数の個数: 32

約数和(自身を含む): 139406400

約数和(自身を除く): 73820984

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 33191, 66382, 132764, 265528, 431483, 630629, 862966, 1261258, 1725932, 2522516, 3451864, 5045032, 8198177, 16396354, 32792708, 65585416]

約数ペア:

[(1, 65585416), (2, 32792708), (4, 16396354), (8, 8198177), (13, 5045032), (19, 3451864), (26, 2522516), (38, 1725932), (52, 1261258), (76, 862966), (104, 630629), (152, 431483), (247, 265528), (494, 132764), (988, 66382), (1976, 33191)]