31869318

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 72354240

約数和(自身を除く): 40484922

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 73, 78, 87, 146, 174, 193, 219, 377, 386, 438, 579, 754, 949, 1131, 1158, 1898, 2117, 2262, 2509, 2847, 4234, 5018, 5597, 5694, 6351, 7527, 11194, 12702, 14089, 15054, 16791, 27521, 28178, 33582, 42267, 55042, 72761, 82563, 84534, 145522, 165126, 183157, 218283, 366314, 408581, 436566, 549471, 817162, 1098942, 1225743, 2451486, 5311553, 10623106, 15934659, 31869318]

約数ペア:

[(1, 31869318), (2, 15934659), (3, 10623106), (6, 5311553), (13, 2451486), (26, 1225743), (29, 1098942), (39, 817162), (58, 549471), (73, 436566), (78, 408581), (87, 366314), (146, 218283), (174, 183157), (193, 165126), (219, 145522), (377, 84534), (386, 82563), (438, 72761), (579, 55042), (754, 42267), (949, 33582), (1131, 28178), (1158, 27521), (1898, 16791), (2117, 15054), (2262, 14089), (2509, 12702), (2847, 11194), (4234, 7527), (5018, 6351), (5597, 5694)]