81557632

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2131}}^1$

素因数の和:2181

約数の個数: 64

約数和(自身を含む): 182669760

約数和(自身を除く): 101112128

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 92, 104, 128, 184, 208, 299, 368, 416, 598, 736, 832, 1196, 1472, 1664, 2131, 2392, 2944, 4262, 4784, 8524, 9568, 17048, 19136, 27703, 34096, 38272, 49013, 55406, 68192, 98026, 110812, 136384, 196052, 221624, 272768, 392104, 443248, 637169, 784208, 886496, 1274338, 1568416, 1772992, 2548676, 3136832, 3545984, 5097352, 6273664, 10194704, 20389408, 40778816, 81557632]

約数ペア:

[(1, 81557632), (2, 40778816), (4, 20389408), (8, 10194704), (13, 6273664), (16, 5097352), (23, 3545984), (26, 3136832), (32, 2548676), (46, 1772992), (52, 1568416), (64, 1274338), (92, 886496), (104, 784208), (128, 637169), (184, 443248), (208, 392104), (299, 272768), (368, 221624), (416, 196052), (598, 136384), (736, 110812), (832, 98026), (1196, 68192), (1472, 55406), (1664, 49013), (2131, 38272), (2392, 34096), (2944, 27703), (4262, 19136), (4784, 17048), (8524, 9568)]