643528384

素因数分解:

$2^6\times {\mathrm{89}}^1\times {\mathrm{112979}}^1$

素因数の和:113080

約数の個数: 28

約数和(自身を含む): 1291361400

約数和(自身を除く): 647833016

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 178, 356, 712, 1424, 2848, 5696, 112979, 225958, 451916, 903832, 1807664, 3615328, 7230656, 10055131, 20110262, 40220524, 80441048, 160882096, 321764192, 643528384]

約数ペア:

[(1, 643528384), (2, 321764192), (4, 160882096), (8, 80441048), (16, 40220524), (32, 20110262), (64, 10055131), (89, 7230656), (178, 3615328), (356, 1807664), (712, 903832), (1424, 451916), (2848, 225958), (5696, 112979)]