838427330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{1181}}^1$

素因数の和:1371

約数の個数: 64

約数和(自身を含む): 1677570048

約数和(自身を除く): 839142718

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 127, 130, 215, 254, 430, 559, 635, 1118, 1181, 1270, 1651, 2362, 2795, 3302, 5461, 5590, 5905, 8255, 10922, 11810, 15353, 16510, 27305, 30706, 50783, 54610, 70993, 76765, 101566, 141986, 149987, 153530, 253915, 299974, 354965, 507830, 660179, 709930, 749935, 1320358, 1499870, 1949831, 3300895, 3899662, 6449441, 6601790, 9749155, 12898882, 19498310, 32247205, 64494410, 83842733, 167685466, 419213665, 838427330]

約数ペア:

[(1, 838427330), (2, 419213665), (5, 167685466), (10, 83842733), (13, 64494410), (26, 32247205), (43, 19498310), (65, 12898882), (86, 9749155), (127, 6601790), (130, 6449441), (215, 3899662), (254, 3300895), (430, 1949831), (559, 1499870), (635, 1320358), (1118, 749935), (1181, 709930), (1270, 660179), (1651, 507830), (2362, 354965), (2795, 299974), (3302, 253915), (5461, 153530), (5590, 149987), (5905, 141986), (8255, 101566), (10922, 76765), (11810, 70993), (15353, 54610), (16510, 50783), (27305, 30706)]