917796620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{5507}}^1$

素因数の和:6170

約数の個数: 48

約数和(自身を含む): 2079247968

約数和(自身を除く): 1161451348

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 641, 1282, 2564, 3205, 5507, 6410, 8333, 11014, 12820, 16666, 22028, 27535, 33332, 41665, 55070, 71591, 83330, 110140, 143182, 166660, 286364, 357955, 715910, 1431820, 3529987, 7059974, 14119948, 17649935, 35299870, 45889831, 70599740, 91779662, 183559324, 229449155, 458898310, 917796620]

約数ペア:

[(1, 917796620), (2, 458898310), (4, 229449155), (5, 183559324), (10, 91779662), (13, 70599740), (20, 45889831), (26, 35299870), (52, 17649935), (65, 14119948), (130, 7059974), (260, 3529987), (641, 1431820), (1282, 715910), (2564, 357955), (3205, 286364), (5507, 166660), (6410, 143182), (8333, 110140), (11014, 83330), (12820, 71591), (16666, 55070), (22028, 41665), (27535, 33332)]