129303728

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{2531}}^1$

素因数の和:2673

約数の個数: 40

約数和(自身を含む): 261221376

約数和(自身を除く): 131917648

約数列:

[1, 2, 4, 8, 16, 31, 62, 103, 124, 206, 248, 412, 496, 824, 1648, 2531, 3193, 5062, 6386, 10124, 12772, 20248, 25544, 40496, 51088, 78461, 156922, 260693, 313844, 521386, 627688, 1042772, 1255376, 2085544, 4171088, 8081483, 16162966, 32325932, 64651864, 129303728]

約数ペア:

[(1, 129303728), (2, 64651864), (4, 32325932), (8, 16162966), (16, 8081483), (31, 4171088), (62, 2085544), (103, 1255376), (124, 1042772), (206, 627688), (248, 521386), (412, 313844), (496, 260693), (824, 156922), (1648, 78461), (2531, 51088), (3193, 40496), (5062, 25544), (6386, 20248), (10124, 12772)]