72721132

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2351}}^1$

素因数の和:2422

約数の個数: 48

約数和(自身を含む): 150151680

約数和(自身を除く): 77430548

約数列:

[1, 2, 4, 11, 19, 22, 37, 38, 44, 74, 76, 148, 209, 407, 418, 703, 814, 836, 1406, 1628, 2351, 2812, 4702, 7733, 9404, 15466, 25861, 30932, 44669, 51722, 86987, 89338, 103444, 173974, 178676, 347948, 491359, 956857, 982718, 1652753, 1913714, 1965436, 3305506, 3827428, 6611012, 18180283, 36360566, 72721132]

約数ペア:

[(1, 72721132), (2, 36360566), (4, 18180283), (11, 6611012), (19, 3827428), (22, 3305506), (37, 1965436), (38, 1913714), (44, 1652753), (74, 982718), (76, 956857), (148, 491359), (209, 347948), (407, 178676), (418, 173974), (703, 103444), (814, 89338), (836, 86987), (1406, 51722), (1628, 44669), (2351, 30932), (2812, 25861), (4702, 15466), (7733, 9404)]