639784908

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{1163}}^1$

素因数の和:1276

約数の個数: 144

約数和(自身を含む): 1932053760

約数和(自身を除く): 1292268852

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 59, 63, 74, 84, 111, 118, 126, 148, 177, 222, 236, 252, 259, 333, 354, 413, 444, 518, 531, 666, 708, 777, 826, 1036, 1062, 1163, 1239, 1332, 1554, 1652, 2124, 2183, 2326, 2331, 2478, 3108, 3489, 3717, 4366, 4652, 4662, 4956, 6549, 6978, 7434, 8141, 8732, 9324, 10467, 13098, 13956, 14868, 15281, 16282, 19647, 20934, 24423, 26196, 30562, 32564, 39294, 41868, 43031, 45843, 48846, 61124, 68617, 73269, 78588, 86062, 91686, 97692, 129093, 137234, 137529, 146538, 172124, 183372, 205851, 258186, 274468, 275058, 293076, 301217, 387279, 411702, 480319, 516372, 550116, 602434, 617553, 774558, 823404, 903651, 960638, 1204868, 1235106, 1440957, 1549116, 1807302, 1921276, 2470212, 2538829, 2710953, 2881914, 3614604, 4322871, 5077658, 5421906, 5763828, 7616487, 8645742, 10155316, 10843812, 15232974, 17291484, 17771803, 22849461, 30465948, 35543606, 45698922, 53315409, 71087212, 91397844, 106630818, 159946227, 213261636, 319892454, 639784908]

約数ペア:

[(1, 639784908), (2, 319892454), (3, 213261636), (4, 159946227), (6, 106630818), (7, 91397844), (9, 71087212), (12, 53315409), (14, 45698922), (18, 35543606), (21, 30465948), (28, 22849461), (36, 17771803), (37, 17291484), (42, 15232974), (59, 10843812), (63, 10155316), (74, 8645742), (84, 7616487), (111, 5763828), (118, 5421906), (126, 5077658), (148, 4322871), (177, 3614604), (222, 2881914), (236, 2710953), (252, 2538829), (259, 2470212), (333, 1921276), (354, 1807302), (413, 1549116), (444, 1440957), (518, 1235106), (531, 1204868), (666, 960638), (708, 903651), (777, 823404), (826, 774558), (1036, 617553), (1062, 602434), (1163, 550116), (1239, 516372), (1332, 480319), (1554, 411702), (1652, 387279), (2124, 301217), (2183, 293076), (2326, 275058), (2331, 274468), (2478, 258186), (3108, 205851), (3489, 183372), (3717, 172124), (4366, 146538), (4652, 137529), (4662, 137234), (4956, 129093), (6549, 97692), (6978, 91686), (7434, 86062), (8141, 78588), (8732, 73269), (9324, 68617), (10467, 61124), (13098, 48846), (13956, 45843), (14868, 43031), (15281, 41868), (16282, 39294), (19647, 32564), (20934, 30562), (24423, 26196)]