291275488

素因数分解:

$2^5\times 7^1\times {\mathrm{61}}^1\times {\mathrm{21317}}^1$

素因数の和:21395

約数の個数: 48

約数和(自身を含む): 666144864

約数和(自身を除く): 374869376

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 112, 122, 224, 244, 427, 488, 854, 976, 1708, 1952, 3416, 6832, 13664, 21317, 42634, 85268, 149219, 170536, 298438, 341072, 596876, 682144, 1193752, 1300337, 2387504, 2600674, 4775008, 5201348, 9102359, 10402696, 18204718, 20805392, 36409436, 41610784, 72818872, 145637744, 291275488]

約数ペア:

[(1, 291275488), (2, 145637744), (4, 72818872), (7, 41610784), (8, 36409436), (14, 20805392), (16, 18204718), (28, 10402696), (32, 9102359), (56, 5201348), (61, 4775008), (112, 2600674), (122, 2387504), (224, 1300337), (244, 1193752), (427, 682144), (488, 596876), (854, 341072), (976, 298438), (1708, 170536), (1952, 149219), (3416, 85268), (6832, 42634), (13664, 21317)]