72943310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{21391}}^1$

素因数の和:21440

約数の個数: 32

約数和(自身を含む): 147861504

約数和(自身を除く): 74918194

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 21391, 42782, 106955, 213910, 235301, 470602, 663121, 1176505, 1326242, 2353010, 3315605, 6631210, 7294331, 14588662, 36471655, 72943310]

約数ペア:

[(1, 72943310), (2, 36471655), (5, 14588662), (10, 7294331), (11, 6631210), (22, 3315605), (31, 2353010), (55, 1326242), (62, 1176505), (110, 663121), (155, 470602), (310, 235301), (341, 213910), (682, 106955), (1705, 42782), (3410, 21391)]