397404

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:119

約数の個数: 72

約数和(自身を含む): 1223040

約数和(自身を除く): 825636

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 83, 84, 114, 126, 133, 166, 171, 228, 249, 252, 266, 332, 342, 399, 498, 532, 581, 684, 747, 798, 996, 1162, 1197, 1494, 1577, 1596, 1743, 2324, 2394, 2988, 3154, 3486, 4731, 4788, 5229, 6308, 6972, 9462, 10458, 11039, 14193, 18924, 20916, 22078, 28386, 33117, 44156, 56772, 66234, 99351, 132468, 198702, 397404]

約数ペア:

[(1, 397404), (2, 198702), (3, 132468), (4, 99351), (6, 66234), (7, 56772), (9, 44156), (12, 33117), (14, 28386), (18, 22078), (19, 20916), (21, 18924), (28, 14193), (36, 11039), (38, 10458), (42, 9462), (57, 6972), (63, 6308), (76, 5229), (83, 4788), (84, 4731), (114, 3486), (126, 3154), (133, 2988), (166, 2394), (171, 2324), (228, 1743), (249, 1596), (252, 1577), (266, 1494), (332, 1197), (342, 1162), (399, 996), (498, 798), (532, 747), (581, 684)]