890788086

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^2\times {\mathrm{521}}^1$

素因数の和:666

約数の個数: 72

約数和(自身を含む): 2021712264

約数和(自身を除く): 1130924178

約数列:

[1, 2, 3, 6, 9, 18, 43, 47, 86, 94, 129, 141, 258, 282, 387, 423, 521, 774, 846, 1042, 1563, 2021, 2209, 3126, 4042, 4418, 4689, 6063, 6627, 9378, 12126, 13254, 18189, 19881, 22403, 24487, 36378, 39762, 44806, 48974, 67209, 73461, 94987, 134418, 146922, 189974, 201627, 220383, 284961, 403254, 440766, 569922, 854883, 1052941, 1150889, 1709766, 2105882, 2301778, 3158823, 3452667, 6317646, 6905334, 9476469, 10358001, 18952938, 20716002, 49488227, 98976454, 148464681, 296929362, 445394043, 890788086]

約数ペア:

[(1, 890788086), (2, 445394043), (3, 296929362), (6, 148464681), (9, 98976454), (18, 49488227), (43, 20716002), (47, 18952938), (86, 10358001), (94, 9476469), (129, 6905334), (141, 6317646), (258, 3452667), (282, 3158823), (387, 2301778), (423, 2105882), (521, 1709766), (774, 1150889), (846, 1052941), (1042, 854883), (1563, 569922), (2021, 440766), (2209, 403254), (3126, 284961), (4042, 220383), (4418, 201627), (4689, 189974), (6063, 146922), (6627, 134418), (9378, 94987), (12126, 73461), (13254, 67209), (18189, 48974), (19881, 44806), (22403, 39762), (24487, 36378)]