2008385678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{541}}^1$

素因数の和:837

約数の個数: 64

約数和(自身を含む): 3550091328

約数和(自身を除く): 1541705650

約数列:

[1, 2, 13, 17, 26, 34, 37, 74, 221, 227, 442, 454, 481, 541, 629, 962, 1082, 1258, 2951, 3859, 5902, 7033, 7718, 8177, 8399, 9197, 14066, 16354, 16798, 18394, 20017, 40034, 50167, 100334, 109187, 119561, 122807, 142783, 218374, 239122, 245614, 260221, 285566, 340289, 520442, 680578, 1596491, 1856179, 2087719, 3192982, 3712358, 4175438, 4423757, 4543859, 8847514, 9087718, 27140347, 54280694, 59070167, 77245603, 118140334, 154491206, 1004192839, 2008385678]

約数ペア:

[(1, 2008385678), (2, 1004192839), (13, 154491206), (17, 118140334), (26, 77245603), (34, 59070167), (37, 54280694), (74, 27140347), (221, 9087718), (227, 8847514), (442, 4543859), (454, 4423757), (481, 4175438), (541, 3712358), (629, 3192982), (962, 2087719), (1082, 1856179), (1258, 1596491), (2951, 680578), (3859, 520442), (5902, 340289), (7033, 285566), (7718, 260221), (8177, 245614), (8399, 239122), (9197, 218374), (14066, 142783), (16354, 122807), (16798, 119561), (18394, 109187), (20017, 100334), (40034, 50167)]