656374976

素因数分解:

$2^6\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{991}}^1$

素因数の和:1213

約数の個数: 56

約数和(自身を含む): 1330391040

約数和(自身を除く): 674016064

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 131, 158, 262, 316, 524, 632, 991, 1048, 1264, 1982, 2096, 2528, 3964, 4192, 5056, 7928, 8384, 10349, 15856, 20698, 31712, 41396, 63424, 78289, 82792, 129821, 156578, 165584, 259642, 313156, 331168, 519284, 626312, 662336, 1038568, 1252624, 2077136, 2505248, 4154272, 5010496, 8308544, 10255859, 20511718, 41023436, 82046872, 164093744, 328187488, 656374976]

約数ペア:

[(1, 656374976), (2, 328187488), (4, 164093744), (8, 82046872), (16, 41023436), (32, 20511718), (64, 10255859), (79, 8308544), (131, 5010496), (158, 4154272), (262, 2505248), (316, 2077136), (524, 1252624), (632, 1038568), (991, 662336), (1048, 626312), (1264, 519284), (1982, 331168), (2096, 313156), (2528, 259642), (3964, 165584), (4192, 156578), (5056, 129821), (7928, 82792), (8384, 78289), (10349, 63424), (15856, 41396), (20698, 31712)]