644943432

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{641}}^1$

素因数の和:823

約数の個数: 128

約数和(自身を含む): 1897032960

約数和(自身を除く): 1252089528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 53, 56, 84, 106, 113, 159, 168, 212, 226, 318, 339, 371, 424, 452, 636, 641, 678, 742, 791, 904, 1113, 1272, 1282, 1356, 1484, 1582, 1923, 2226, 2373, 2564, 2712, 2968, 3164, 3846, 4452, 4487, 4746, 5128, 5989, 6328, 7692, 8904, 8974, 9492, 11978, 13461, 15384, 17948, 17967, 18984, 23956, 26922, 33973, 35896, 35934, 41923, 47912, 53844, 67946, 71868, 72433, 83846, 101919, 107688, 125769, 135892, 143736, 144866, 167692, 203838, 217299, 237811, 251538, 271784, 289732, 335384, 407676, 434598, 475622, 503076, 507031, 579464, 713433, 815352, 869196, 951244, 1006152, 1014062, 1426866, 1521093, 1738392, 1902488, 2028124, 2853732, 3042186, 3838949, 4056248, 5707464, 6084372, 7677898, 11516847, 12168744, 15355796, 23033694, 26872643, 30711592, 46067388, 53745286, 80617929, 92134776, 107490572, 161235858, 214981144, 322471716, 644943432]

約数ペア:

[(1, 644943432), (2, 322471716), (3, 214981144), (4, 161235858), (6, 107490572), (7, 92134776), (8, 80617929), (12, 53745286), (14, 46067388), (21, 30711592), (24, 26872643), (28, 23033694), (42, 15355796), (53, 12168744), (56, 11516847), (84, 7677898), (106, 6084372), (113, 5707464), (159, 4056248), (168, 3838949), (212, 3042186), (226, 2853732), (318, 2028124), (339, 1902488), (371, 1738392), (424, 1521093), (452, 1426866), (636, 1014062), (641, 1006152), (678, 951244), (742, 869196), (791, 815352), (904, 713433), (1113, 579464), (1272, 507031), (1282, 503076), (1356, 475622), (1484, 434598), (1582, 407676), (1923, 335384), (2226, 289732), (2373, 271784), (2564, 251538), (2712, 237811), (2968, 217299), (3164, 203838), (3846, 167692), (4452, 144866), (4487, 143736), (4746, 135892), (5128, 125769), (5989, 107688), (6328, 101919), (7692, 83846), (8904, 72433), (8974, 71868), (9492, 67946), (11978, 53844), (13461, 47912), (15384, 41923), (17948, 35934), (17967, 35896), (18984, 33973), (23956, 26922)]