378749008

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{4993}}^1$

素因数の和:5443

約数の個数: 40

約数和(自身を含む): 802555776

約数和(自身を除く): 423806768

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 431, 862, 1724, 3448, 4741, 4993, 6896, 9482, 9986, 18964, 19972, 37928, 39944, 54923, 75856, 79888, 109846, 219692, 439384, 878768, 2151983, 4303966, 8607932, 17215864, 23671813, 34431728, 47343626, 94687252, 189374504, 378749008]

約数ペア:

[(1, 378749008), (2, 189374504), (4, 94687252), (8, 47343626), (11, 34431728), (16, 23671813), (22, 17215864), (44, 8607932), (88, 4303966), (176, 2151983), (431, 878768), (862, 439384), (1724, 219692), (3448, 109846), (4741, 79888), (4993, 75856), (6896, 54923), (9482, 39944), (9986, 37928), (18964, 19972)]