28720121488

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{631}}^1\times {\mathrm{69383}}^1$

素因数の和:70063

約数の個数: 40

約数和(自身を含む): 57093595776

約数和(自身を除く): 28373474288

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 631, 656, 1262, 2524, 5048, 10096, 25871, 51742, 69383, 103484, 138766, 206968, 277532, 413936, 555064, 1110128, 2844703, 5689406, 11378812, 22757624, 43780673, 45515248, 87561346, 175122692, 350245384, 700490768, 1795007593, 3590015186, 7180030372, 14360060744, 28720121488]

約数ペア:

[(1, 28720121488), (2, 14360060744), (4, 7180030372), (8, 3590015186), (16, 1795007593), (41, 700490768), (82, 350245384), (164, 175122692), (328, 87561346), (631, 45515248), (656, 43780673), (1262, 22757624), (2524, 11378812), (5048, 5689406), (10096, 2844703), (25871, 1110128), (51742, 555064), (69383, 413936), (103484, 277532), (138766, 206968)]