1640555904

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{328637}}^1$

素因数の和:328667

約数の個数: 64

約数和(自身を含む): 4692950640

約数和(自身を除く): 3052394736

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 312, 384, 416, 624, 832, 1248, 1664, 2496, 4992, 328637, 657274, 985911, 1314548, 1971822, 2629096, 3943644, 4272281, 5258192, 7887288, 8544562, 10516384, 12816843, 15774576, 17089124, 21032768, 25633686, 31549152, 34178248, 42065536, 51267372, 63098304, 68356496, 102534744, 126196608, 136712992, 205069488, 273425984, 410138976, 546851968, 820277952, 1640555904]

約数ペア:

[(1, 1640555904), (2, 820277952), (3, 546851968), (4, 410138976), (6, 273425984), (8, 205069488), (12, 136712992), (13, 126196608), (16, 102534744), (24, 68356496), (26, 63098304), (32, 51267372), (39, 42065536), (48, 34178248), (52, 31549152), (64, 25633686), (78, 21032768), (96, 17089124), (104, 15774576), (128, 12816843), (156, 10516384), (192, 8544562), (208, 7887288), (312, 5258192), (384, 4272281), (416, 3943644), (624, 2629096), (832, 1971822), (1248, 1314548), (1664, 985911), (2496, 657274), (4992, 328637)]