131438896

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{983}}^1$

素因数の和:1189

約数の個数: 40

約数和(自身を含む): 260992224

約数和(自身を除く): 129553328

約数列:

[1, 2, 4, 8, 16, 61, 122, 137, 244, 274, 488, 548, 976, 983, 1096, 1966, 2192, 3932, 7864, 8357, 15728, 16714, 33428, 59963, 66856, 119926, 133712, 134671, 239852, 269342, 479704, 538684, 959408, 1077368, 2154736, 8214931, 16429862, 32859724, 65719448, 131438896]

約数ペア:

[(1, 131438896), (2, 65719448), (4, 32859724), (8, 16429862), (16, 8214931), (61, 2154736), (122, 1077368), (137, 959408), (244, 538684), (274, 479704), (488, 269342), (548, 239852), (976, 134671), (983, 133712), (1096, 119926), (1966, 66856), (2192, 59963), (3932, 33428), (7864, 16714), (8357, 15728)]