1408864340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{42667}}^1$

素因数の和:42816

約数の個数: 48

約数和(自身を含む): 3211364352

約数和(自身を除く): 1802500012

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 1270, 1651, 2540, 3302, 6604, 8255, 16510, 33020, 42667, 85334, 170668, 213335, 426670, 554671, 853340, 1109342, 2218684, 2773355, 5418709, 5546710, 10837418, 11093420, 21674836, 27093545, 54187090, 70443217, 108374180, 140886434, 281772868, 352216085, 704432170, 1408864340]

約数ペア:

[(1, 1408864340), (2, 704432170), (4, 352216085), (5, 281772868), (10, 140886434), (13, 108374180), (20, 70443217), (26, 54187090), (52, 27093545), (65, 21674836), (127, 11093420), (130, 10837418), (254, 5546710), (260, 5418709), (508, 2773355), (635, 2218684), (1270, 1109342), (1651, 853340), (2540, 554671), (3302, 426670), (6604, 213335), (8255, 170668), (16510, 85334), (33020, 42667)]