128712558

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53231}}^1$

素因数の和:53280

約数の個数: 32

約数和(自身を含む): 286175232

約数和(自身を除く): 157462674

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 53231, 106462, 159693, 319386, 692003, 1384006, 1650161, 2076009, 3300322, 4152018, 4950483, 9900966, 21452093, 42904186, 64356279, 128712558]

約数ペア:

[(1, 128712558), (2, 64356279), (3, 42904186), (6, 21452093), (13, 9900966), (26, 4950483), (31, 4152018), (39, 3300322), (62, 2076009), (78, 1650161), (93, 1384006), (186, 692003), (403, 319386), (806, 159693), (1209, 106462), (2418, 53231)]