221652496

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:488

約数の個数: 80

約数和(自身を含む): 482094144

約数和(自身を除く): 260441648

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 83, 104, 148, 166, 208, 296, 332, 347, 481, 592, 664, 694, 962, 1079, 1328, 1388, 1924, 2158, 2776, 3071, 3848, 4316, 4511, 5552, 6142, 7696, 8632, 9022, 12284, 12839, 17264, 18044, 24568, 25678, 28801, 36088, 39923, 49136, 51356, 57602, 72176, 79846, 102712, 115204, 159692, 166907, 205424, 230408, 319384, 333814, 374413, 460816, 638768, 667628, 748826, 1065637, 1335256, 1497652, 2131274, 2670512, 2995304, 4262548, 5990608, 8525096, 13853281, 17050192, 27706562, 55413124, 110826248, 221652496]

約数ペア:

[(1, 221652496), (2, 110826248), (4, 55413124), (8, 27706562), (13, 17050192), (16, 13853281), (26, 8525096), (37, 5990608), (52, 4262548), (74, 2995304), (83, 2670512), (104, 2131274), (148, 1497652), (166, 1335256), (208, 1065637), (296, 748826), (332, 667628), (347, 638768), (481, 460816), (592, 374413), (664, 333814), (694, 319384), (962, 230408), (1079, 205424), (1328, 166907), (1388, 159692), (1924, 115204), (2158, 102712), (2776, 79846), (3071, 72176), (3848, 57602), (4316, 51356), (4511, 49136), (5552, 39923), (6142, 36088), (7696, 28801), (8632, 25678), (9022, 24568), (12284, 18044), (12839, 17264)]