388550071

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{467}}^1$

素因数の和:751

約数の個数: 32

約数和(自身を含む): 493129728

約数和(自身を除く): 104579657

約数列:

[1, 7, 13, 41, 91, 223, 287, 467, 533, 1561, 2899, 3269, 3731, 6071, 9143, 19147, 20293, 42497, 64001, 104141, 118859, 134029, 248911, 728987, 832013, 1353833, 1742377, 4269781, 9476831, 29888467, 55507153, 388550071]

約数ペア:

[(1, 388550071), (7, 55507153), (13, 29888467), (41, 9476831), (91, 4269781), (223, 1742377), (287, 1353833), (467, 832013), (533, 728987), (1561, 248911), (2899, 134029), (3269, 118859), (3731, 104141), (6071, 64001), (9143, 42497), (19147, 20293)]