78145398

素因数分解:

$2^1\times 3^5\times {\mathrm{23}}^1\times {\mathrm{6991}}^1$

素因数の和:7031

約数の個数: 48

約数和(自身を含む): 183246336

約数和(自身を除く): 105100938

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 243, 414, 486, 621, 1242, 1863, 3726, 5589, 6991, 11178, 13982, 20973, 41946, 62919, 125838, 160793, 188757, 321586, 377514, 482379, 566271, 964758, 1132542, 1447137, 1698813, 2894274, 3397626, 4341411, 8682822, 13024233, 26048466, 39072699, 78145398]

約数ペア:

[(1, 78145398), (2, 39072699), (3, 26048466), (6, 13024233), (9, 8682822), (18, 4341411), (23, 3397626), (27, 2894274), (46, 1698813), (54, 1447137), (69, 1132542), (81, 964758), (138, 566271), (162, 482379), (207, 377514), (243, 321586), (414, 188757), (486, 160793), (621, 125838), (1242, 62919), (1863, 41946), (3726, 20973), (5589, 13982), (6991, 11178)]