257165653376

素因数分解:

$2^7\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{379}}^2$

素因数の和:1040

約数の個数: 96

約数和(自身を含む): 523556660880

約数和(自身を除く): 266391007504

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 197, 284, 379, 394, 568, 758, 788, 1136, 1516, 1576, 2272, 3032, 3152, 4544, 6064, 6304, 9088, 12128, 12608, 13987, 24256, 25216, 26909, 27974, 48512, 53818, 55948, 74663, 107636, 111896, 143641, 149326, 215272, 223792, 287282, 298652, 430544, 447584, 574564, 597304, 861088, 895168, 1149128, 1194608, 1722176, 1790336, 2298256, 2389216, 3444352, 4596512, 4778432, 5301073, 9193024, 9556864, 10198511, 10602146, 18386048, 20397022, 21204292, 28297277, 40794044, 42408584, 56594554, 81588088, 84817168, 113189108, 163176176, 169634336, 226378216, 326352352, 339268672, 452756432, 652704704, 678537344, 905512864, 1305409408, 1811025728, 2009106667, 3622051456, 4018213334, 8036426668, 16072853336, 32145706672, 64291413344, 128582826688, 257165653376]

約数ペア:

[(1, 257165653376), (2, 128582826688), (4, 64291413344), (8, 32145706672), (16, 16072853336), (32, 8036426668), (64, 4018213334), (71, 3622051456), (128, 2009106667), (142, 1811025728), (197, 1305409408), (284, 905512864), (379, 678537344), (394, 652704704), (568, 452756432), (758, 339268672), (788, 326352352), (1136, 226378216), (1516, 169634336), (1576, 163176176), (2272, 113189108), (3032, 84817168), (3152, 81588088), (4544, 56594554), (6064, 42408584), (6304, 40794044), (9088, 28297277), (12128, 21204292), (12608, 20397022), (13987, 18386048), (24256, 10602146), (25216, 10198511), (26909, 9556864), (27974, 9193024), (48512, 5301073), (53818, 4778432), (55948, 4596512), (74663, 3444352), (107636, 2389216), (111896, 2298256), (143641, 1790336), (149326, 1722176), (215272, 1194608), (223792, 1149128), (287282, 895168), (298652, 861088), (430544, 597304), (447584, 574564)]