261605984

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:496

約数の個数: 96

約数和(自身を含む): 577432800

約数和(自身を除く): 315826816

約数列:

[1, 2, 4, 8, 16, 19, 29, 32, 37, 38, 58, 74, 76, 116, 148, 152, 232, 296, 304, 401, 464, 551, 592, 608, 703, 802, 928, 1073, 1102, 1184, 1406, 1604, 2146, 2204, 2812, 3208, 4292, 4408, 5624, 6416, 7619, 8584, 8816, 11248, 11629, 12832, 14837, 15238, 17168, 17632, 20387, 22496, 23258, 29674, 30476, 34336, 40774, 46516, 59348, 60952, 81548, 93032, 118696, 121904, 163096, 186064, 220951, 237392, 243808, 281903, 326192, 372128, 430273, 441902, 474784, 563806, 652384, 860546, 883804, 1127612, 1721092, 1767608, 2255224, 3442184, 3535216, 4510448, 6884368, 7070432, 8175187, 9020896, 13768736, 16350374, 32700748, 65401496, 130802992, 261605984]

約数ペア:

[(1, 261605984), (2, 130802992), (4, 65401496), (8, 32700748), (16, 16350374), (19, 13768736), (29, 9020896), (32, 8175187), (37, 7070432), (38, 6884368), (58, 4510448), (74, 3535216), (76, 3442184), (116, 2255224), (148, 1767608), (152, 1721092), (232, 1127612), (296, 883804), (304, 860546), (401, 652384), (464, 563806), (551, 474784), (592, 441902), (608, 430273), (703, 372128), (802, 326192), (928, 281903), (1073, 243808), (1102, 237392), (1184, 220951), (1406, 186064), (1604, 163096), (2146, 121904), (2204, 118696), (2812, 93032), (3208, 81548), (4292, 60952), (4408, 59348), (5624, 46516), (6416, 40774), (7619, 34336), (8584, 30476), (8816, 29674), (11248, 23258), (11629, 22496), (12832, 20387), (14837, 17632), (15238, 17168)]