278539384

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 561038400

約数和(自身を除く): 282499016

約数列:

[1, 2, 4, 8, 23, 46, 73, 89, 92, 146, 178, 184, 233, 292, 356, 466, 584, 712, 932, 1679, 1864, 2047, 3358, 4094, 5359, 6497, 6716, 8188, 10718, 12994, 13432, 16376, 17009, 20737, 21436, 25988, 34018, 41474, 42872, 51976, 68036, 82948, 136072, 149431, 165896, 298862, 391207, 476951, 597724, 782414, 953902, 1195448, 1513801, 1564828, 1907804, 3027602, 3129656, 3815608, 6055204, 12110408, 34817423, 69634846, 139269692, 278539384]

約数ペア:

[(1, 278539384), (2, 139269692), (4, 69634846), (8, 34817423), (23, 12110408), (46, 6055204), (73, 3815608), (89, 3129656), (92, 3027602), (146, 1907804), (178, 1564828), (184, 1513801), (233, 1195448), (292, 953902), (356, 782414), (466, 597724), (584, 476951), (712, 391207), (932, 298862), (1679, 165896), (1864, 149431), (2047, 136072), (3358, 82948), (4094, 68036), (5359, 51976), (6497, 42872), (6716, 41474), (8188, 34018), (10718, 25988), (12994, 21436), (13432, 20737), (16376, 17009)]