28648984

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:137

約数の個数: 128

約数和(自身を含む): 72576000

約数和(自身を除く): 43927016

約数列:

[1, 2, 4, 7, 8, 13, 14, 23, 26, 28, 29, 46, 52, 56, 58, 59, 91, 92, 104, 116, 118, 161, 182, 184, 203, 232, 236, 299, 322, 364, 377, 406, 413, 472, 598, 644, 667, 728, 754, 767, 812, 826, 1196, 1288, 1334, 1357, 1508, 1534, 1624, 1652, 1711, 2093, 2392, 2639, 2668, 2714, 3016, 3068, 3304, 3422, 4186, 4669, 5278, 5336, 5369, 5428, 6136, 6844, 8372, 8671, 9338, 9499, 10556, 10738, 10856, 11977, 13688, 16744, 17342, 17641, 18676, 18998, 21112, 21476, 22243, 23954, 34684, 35282, 37352, 37996, 39353, 42952, 44486, 47908, 60697, 69368, 70564, 75992, 78706, 88972, 95816, 121394, 123487, 141128, 155701, 157412, 177944, 242788, 246974, 275471, 311402, 314824, 485576, 493948, 511589, 550942, 622804, 987896, 1023178, 1101884, 1245608, 2046356, 2203768, 3581123, 4092712, 7162246, 14324492, 28648984]

約数ペア:

[(1, 28648984), (2, 14324492), (4, 7162246), (7, 4092712), (8, 3581123), (13, 2203768), (14, 2046356), (23, 1245608), (26, 1101884), (28, 1023178), (29, 987896), (46, 622804), (52, 550942), (56, 511589), (58, 493948), (59, 485576), (91, 314824), (92, 311402), (104, 275471), (116, 246974), (118, 242788), (161, 177944), (182, 157412), (184, 155701), (203, 141128), (232, 123487), (236, 121394), (299, 95816), (322, 88972), (364, 78706), (377, 75992), (406, 70564), (413, 69368), (472, 60697), (598, 47908), (644, 44486), (667, 42952), (728, 39353), (754, 37996), (767, 37352), (812, 35282), (826, 34684), (1196, 23954), (1288, 22243), (1334, 21476), (1357, 21112), (1508, 18998), (1534, 18676), (1624, 17641), (1652, 17342), (1711, 16744), (2093, 13688), (2392, 11977), (2639, 10856), (2668, 10738), (2714, 10556), (3016, 9499), (3068, 9338), (3304, 8671), (3422, 8372), (4186, 6844), (4669, 6136), (5278, 5428), (5336, 5369)]