989690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 2007936

約数和(自身を除く): 1018246

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 331, 598, 662, 1495, 1655, 2990, 3310, 4303, 7613, 8606, 15226, 21515, 38065, 43030, 76130, 98969, 197938, 494845, 989690]

約数ペア:

[(1, 989690), (2, 494845), (5, 197938), (10, 98969), (13, 76130), (23, 43030), (26, 38065), (46, 21515), (65, 15226), (115, 8606), (130, 7613), (230, 4303), (299, 3310), (331, 2990), (598, 1655), (662, 1495)]