251749968340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{12256571}}^1$

素因数の和:12256672

約数の個数: 48

約数和(自身を含む): 576549146880

約数和(自身を除く): 324799178540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 4108, 5135, 10270, 20540, 12256571, 24513142, 49026284, 61282855, 122565710, 159335423, 245131420, 318670846, 637341692, 796677115, 968269109, 1593354230, 1936538218, 3186708460, 3873076436, 4841345545, 9682691090, 12587498417, 19365382180, 25174996834, 50349993668, 62937492085, 125874984170, 251749968340]

約数ペア:

[(1, 251749968340), (2, 125874984170), (4, 62937492085), (5, 50349993668), (10, 25174996834), (13, 19365382180), (20, 12587498417), (26, 9682691090), (52, 4841345545), (65, 3873076436), (79, 3186708460), (130, 1936538218), (158, 1593354230), (260, 968269109), (316, 796677115), (395, 637341692), (790, 318670846), (1027, 245131420), (1580, 159335423), (2054, 122565710), (4108, 61282855), (5135, 49026284), (10270, 24513142), (20540, 12256571)]