290426552

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{146977}}^1$

素因数の和:147015

約数の個数: 32

約数和(自身を含む): 617307600

約数和(自身を除く): 326881048

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 146977, 293954, 587908, 1175816, 1910701, 2792563, 3821402, 5585126, 7642804, 11170252, 15285608, 22340504, 36303319, 72606638, 145213276, 290426552]

約数ペア:

[(1, 290426552), (2, 145213276), (4, 72606638), (8, 36303319), (13, 22340504), (19, 15285608), (26, 11170252), (38, 7642804), (52, 5585126), (76, 3821402), (104, 2792563), (152, 1910701), (247, 1175816), (494, 587908), (988, 293954), (1976, 146977)]