631332

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:113

約数の個数: 72

約数和(自身を含む): 1834560

約数和(自身を除く): 1203228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 71, 76, 78, 114, 117, 142, 156, 171, 213, 228, 234, 247, 284, 342, 426, 468, 494, 639, 684, 741, 852, 923, 988, 1278, 1349, 1482, 1846, 2223, 2556, 2698, 2769, 2964, 3692, 4047, 4446, 5396, 5538, 8094, 8307, 8892, 11076, 12141, 16188, 16614, 17537, 24282, 33228, 35074, 48564, 52611, 70148, 105222, 157833, 210444, 315666, 631332]

約数ペア:

[(1, 631332), (2, 315666), (3, 210444), (4, 157833), (6, 105222), (9, 70148), (12, 52611), (13, 48564), (18, 35074), (19, 33228), (26, 24282), (36, 17537), (38, 16614), (39, 16188), (52, 12141), (57, 11076), (71, 8892), (76, 8307), (78, 8094), (114, 5538), (117, 5396), (142, 4446), (156, 4047), (171, 3692), (213, 2964), (228, 2769), (234, 2698), (247, 2556), (284, 2223), (342, 1846), (426, 1482), (468, 1349), (494, 1278), (639, 988), (684, 923), (741, 852)]