1278588731

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{367}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 1533235200

約数和(自身を除く): 254646469

約数列:

[1, 7, 41, 61, 199, 287, 367, 427, 1393, 2501, 2569, 8159, 12139, 15047, 17507, 22387, 57113, 73033, 84973, 105329, 156709, 497699, 511231, 917867, 2994353, 3483893, 4455013, 6425069, 20960471, 31185091, 182655533, 1278588731]

約数ペア:

[(1, 1278588731), (7, 182655533), (41, 31185091), (61, 20960471), (199, 6425069), (287, 4455013), (367, 3483893), (427, 2994353), (1393, 917867), (2501, 511231), (2569, 497699), (8159, 156709), (12139, 105329), (15047, 84973), (17507, 73033), (22387, 57113)]