321570392

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1553}}^1$

素因数の和:1764

約数の個数: 64

約数和(自身を含む): 712726560

約数和(自身を除く): 391156168

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 181, 286, 362, 572, 724, 1144, 1448, 1553, 1991, 2353, 3106, 3982, 4706, 6212, 7964, 9412, 12424, 15928, 17083, 18824, 20189, 25883, 34166, 40378, 51766, 68332, 80756, 103532, 136664, 161512, 207064, 222079, 281093, 444158, 562186, 888316, 1124372, 1776632, 2248744, 3092023, 3654209, 6184046, 7308418, 12368092, 14616836, 24736184, 29233672, 40196299, 80392598, 160785196, 321570392]

約数ペア:

[(1, 321570392), (2, 160785196), (4, 80392598), (8, 40196299), (11, 29233672), (13, 24736184), (22, 14616836), (26, 12368092), (44, 7308418), (52, 6184046), (88, 3654209), (104, 3092023), (143, 2248744), (181, 1776632), (286, 1124372), (362, 888316), (572, 562186), (724, 444158), (1144, 281093), (1448, 222079), (1553, 207064), (1991, 161512), (2353, 136664), (3106, 103532), (3982, 80756), (4706, 68332), (6212, 51766), (7964, 40378), (9412, 34166), (12424, 25883), (15928, 20189), (17083, 18824)]