31185518

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{61}}^1$

素因数の和:189

約数の個数: 48

約数和(自身を含む): 59642016

約数和(自身を除く): 28456498

約数列:

[1, 2, 7, 13, 14, 26, 53, 61, 91, 106, 122, 182, 371, 427, 689, 742, 793, 854, 1378, 1586, 2809, 3233, 4823, 5551, 5618, 6466, 9646, 11102, 19663, 22631, 36517, 39326, 42029, 45262, 73034, 84058, 171349, 255619, 294203, 342698, 511238, 588406, 1199443, 2227537, 2398886, 4455074, 15592759, 31185518]

約数ペア:

[(1, 31185518), (2, 15592759), (7, 4455074), (13, 2398886), (14, 2227537), (26, 1199443), (53, 588406), (61, 511238), (91, 342698), (106, 294203), (122, 255619), (182, 171349), (371, 84058), (427, 73034), (689, 45262), (742, 42029), (793, 39326), (854, 36517), (1378, 22631), (1586, 19663), (2809, 11102), (3233, 9646), (4823, 6466), (5551, 5618)]