256475216

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{233}}^1\times {\mathrm{773}}^1$

素因数の和:1103

約数の個数: 40

約数和(自身を含む): 505313640

約数和(自身を除く): 248838424

約数列:

[1, 2, 4, 8, 16, 89, 178, 233, 356, 466, 712, 773, 932, 1424, 1546, 1864, 3092, 3728, 6184, 12368, 20737, 41474, 68797, 82948, 137594, 165896, 180109, 275188, 331792, 360218, 550376, 720436, 1100752, 1440872, 2881744, 16029701, 32059402, 64118804, 128237608, 256475216]

約数ペア:

[(1, 256475216), (2, 128237608), (4, 64118804), (8, 32059402), (16, 16029701), (89, 2881744), (178, 1440872), (233, 1100752), (356, 720436), (466, 550376), (712, 360218), (773, 331792), (932, 275188), (1424, 180109), (1546, 165896), (1864, 137594), (3092, 82948), (3728, 68797), (6184, 41474), (12368, 20737)]