389670897

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 665026560

約数和(自身を除く): 275355663

約数列:

[1, 3, 7, 11, 21, 33, 77, 79, 131, 163, 231, 237, 393, 489, 553, 869, 917, 1141, 1441, 1659, 1793, 2607, 2751, 3423, 4323, 5379, 6083, 10087, 10349, 12551, 12877, 18249, 21353, 30261, 31047, 37653, 38631, 64059, 72443, 90139, 113839, 141647, 149471, 217329, 234883, 270417, 341517, 424941, 448413, 704649, 796873, 991529, 1644181, 1686887, 2390619, 2974587, 4932543, 5060661, 11808209, 18555757, 35424627, 55667271, 129890299, 389670897]

約数ペア:

[(1, 389670897), (3, 129890299), (7, 55667271), (11, 35424627), (21, 18555757), (33, 11808209), (77, 5060661), (79, 4932543), (131, 2974587), (163, 2390619), (231, 1686887), (237, 1644181), (393, 991529), (489, 796873), (553, 704649), (869, 448413), (917, 424941), (1141, 341517), (1441, 270417), (1659, 234883), (1793, 217329), (2607, 149471), (2751, 141647), (3423, 113839), (4323, 90139), (5379, 72443), (6083, 64059), (10087, 38631), (10349, 37653), (12551, 31047), (12877, 30261), (18249, 21353)]