641747456

素因数分解:

$2^9\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1307}}^1$

素因数の和:1469

約数の個数: 80

約数和(自身を含む): 1477244736

約数和(自身を除く): 835497280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 137, 224, 256, 274, 448, 512, 548, 896, 959, 1096, 1307, 1792, 1918, 2192, 2614, 3584, 3836, 4384, 5228, 7672, 8768, 9149, 10456, 15344, 17536, 18298, 20912, 30688, 35072, 36596, 41824, 61376, 70144, 73192, 83648, 122752, 146384, 167296, 179059, 245504, 292768, 334592, 358118, 491008, 585536, 669184, 716236, 1171072, 1253413, 1432472, 2342144, 2506826, 2864944, 4684288, 5013652, 5729888, 10027304, 11459776, 20054608, 22919552, 40109216, 45839104, 80218432, 91678208, 160436864, 320873728, 641747456]

約数ペア:

[(1, 641747456), (2, 320873728), (4, 160436864), (7, 91678208), (8, 80218432), (14, 45839104), (16, 40109216), (28, 22919552), (32, 20054608), (56, 11459776), (64, 10027304), (112, 5729888), (128, 5013652), (137, 4684288), (224, 2864944), (256, 2506826), (274, 2342144), (448, 1432472), (512, 1253413), (548, 1171072), (896, 716236), (959, 669184), (1096, 585536), (1307, 491008), (1792, 358118), (1918, 334592), (2192, 292768), (2614, 245504), (3584, 179059), (3836, 167296), (4384, 146384), (5228, 122752), (7672, 83648), (8768, 73192), (9149, 70144), (10456, 61376), (15344, 41824), (17536, 36596), (18298, 35072), (20912, 30688)]