28706730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73607}}^1$

素因数の和:73630

約数の個数: 32

約数和(自身を含む): 74196864

約数和(自身を除く): 45490134

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 73607, 147214, 220821, 368035, 441642, 736070, 956891, 1104105, 1913782, 2208210, 2870673, 4784455, 5741346, 9568910, 14353365, 28706730]

約数ペア:

[(1, 28706730), (2, 14353365), (3, 9568910), (5, 5741346), (6, 4784455), (10, 2870673), (13, 2208210), (15, 1913782), (26, 1104105), (30, 956891), (39, 736070), (65, 441642), (78, 368035), (130, 220821), (195, 147214), (390, 73607)]