398736

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:101

約数の個数: 80

約数和(自身を含む): 1249920

約数和(自身を除く): 851184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 71, 72, 78, 104, 108, 117, 142, 144, 156, 208, 213, 216, 234, 284, 312, 351, 426, 432, 468, 568, 624, 639, 702, 852, 923, 936, 1136, 1278, 1404, 1704, 1846, 1872, 1917, 2556, 2769, 2808, 3408, 3692, 3834, 5112, 5538, 5616, 7384, 7668, 8307, 10224, 11076, 14768, 15336, 16614, 22152, 24921, 30672, 33228, 44304, 49842, 66456, 99684, 132912, 199368, 398736]

約数ペア:

[(1, 398736), (2, 199368), (3, 132912), (4, 99684), (6, 66456), (8, 49842), (9, 44304), (12, 33228), (13, 30672), (16, 24921), (18, 22152), (24, 16614), (26, 15336), (27, 14768), (36, 11076), (39, 10224), (48, 8307), (52, 7668), (54, 7384), (71, 5616), (72, 5538), (78, 5112), (104, 3834), (108, 3692), (117, 3408), (142, 2808), (144, 2769), (156, 2556), (208, 1917), (213, 1872), (216, 1846), (234, 1704), (284, 1404), (312, 1278), (351, 1136), (426, 936), (432, 923), (468, 852), (568, 702), (624, 639)]