161923456

素因数分解:

$2^7\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 332928000

約数和(自身を除く): 171004544

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 79, 128, 134, 158, 239, 268, 316, 478, 536, 632, 956, 1072, 1264, 1912, 2144, 2528, 3824, 4288, 5056, 5293, 7648, 8576, 10112, 10586, 15296, 16013, 18881, 21172, 30592, 32026, 37762, 42344, 64052, 75524, 84688, 128104, 151048, 169376, 256208, 302096, 338752, 512416, 604192, 677504, 1024832, 1208384, 1265027, 2049664, 2416768, 2530054, 5060108, 10120216, 20240432, 40480864, 80961728, 161923456]

約数ペア:

[(1, 161923456), (2, 80961728), (4, 40480864), (8, 20240432), (16, 10120216), (32, 5060108), (64, 2530054), (67, 2416768), (79, 2049664), (128, 1265027), (134, 1208384), (158, 1024832), (239, 677504), (268, 604192), (316, 512416), (478, 338752), (536, 302096), (632, 256208), (956, 169376), (1072, 151048), (1264, 128104), (1912, 84688), (2144, 75524), (2528, 64052), (3824, 42344), (4288, 37762), (5056, 32026), (5293, 30592), (7648, 21172), (8576, 18881), (10112, 16013), (10586, 15296)]