81971928

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{59921}}^1$

素因数の和:59952

約数の個数: 48

約数和(自身を含む): 233695800

約数和(自身を除く): 151723872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 59921, 119842, 179763, 239684, 359526, 479368, 539289, 719052, 1078578, 1138499, 1438104, 2157156, 2276998, 3415497, 4314312, 4553996, 6830994, 9107992, 10246491, 13661988, 20492982, 27323976, 40985964, 81971928]

約数ペア:

[(1, 81971928), (2, 40985964), (3, 27323976), (4, 20492982), (6, 13661988), (8, 10246491), (9, 9107992), (12, 6830994), (18, 4553996), (19, 4314312), (24, 3415497), (36, 2276998), (38, 2157156), (57, 1438104), (72, 1138499), (76, 1078578), (114, 719052), (152, 539289), (171, 479368), (228, 359526), (342, 239684), (456, 179763), (684, 119842), (1368, 59921)]