398320416

素因数分解:

$2^5\times 3^4\times {\mathrm{13}}^1\times {\mathrm{11821}}^1$

素因数の和:11856

約数の個数: 120

約数和(自身を含む): 1261667484

約数和(自身を除く): 863347068

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 81, 96, 104, 108, 117, 144, 156, 162, 208, 216, 234, 288, 312, 324, 351, 416, 432, 468, 624, 648, 702, 864, 936, 1053, 1248, 1296, 1404, 1872, 2106, 2592, 2808, 3744, 4212, 5616, 8424, 11232, 11821, 16848, 23642, 33696, 35463, 47284, 70926, 94568, 106389, 141852, 153673, 189136, 212778, 283704, 307346, 319167, 378272, 425556, 461019, 567408, 614692, 638334, 851112, 922038, 957501, 1134816, 1229384, 1276668, 1383057, 1702224, 1844076, 1915002, 2458768, 2553336, 2766114, 3404448, 3688152, 3830004, 4149171, 4917536, 5106672, 5532228, 7376304, 7660008, 8298342, 10213344, 11064456, 12447513, 14752608, 15320016, 16596684, 22128912, 24895026, 30640032, 33193368, 44257824, 49790052, 66386736, 99580104, 132773472, 199160208, 398320416]

約数ペア:

[(1, 398320416), (2, 199160208), (3, 132773472), (4, 99580104), (6, 66386736), (8, 49790052), (9, 44257824), (12, 33193368), (13, 30640032), (16, 24895026), (18, 22128912), (24, 16596684), (26, 15320016), (27, 14752608), (32, 12447513), (36, 11064456), (39, 10213344), (48, 8298342), (52, 7660008), (54, 7376304), (72, 5532228), (78, 5106672), (81, 4917536), (96, 4149171), (104, 3830004), (108, 3688152), (117, 3404448), (144, 2766114), (156, 2553336), (162, 2458768), (208, 1915002), (216, 1844076), (234, 1702224), (288, 1383057), (312, 1276668), (324, 1229384), (351, 1134816), (416, 957501), (432, 922038), (468, 851112), (624, 638334), (648, 614692), (702, 567408), (864, 461019), (936, 425556), (1053, 378272), (1248, 319167), (1296, 307346), (1404, 283704), (1872, 212778), (2106, 189136), (2592, 153673), (2808, 141852), (3744, 106389), (4212, 94568), (5616, 70926), (8424, 47284), (11232, 35463), (11821, 33696), (16848, 23642)]