398213928

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{263369}}^1$

素因数の和:263391

約数の個数: 64

約数和(自身を含む): 1264176000

約数和(自身を除く): 865962072

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 263369, 526738, 790107, 1053476, 1580214, 1843583, 2106952, 2370321, 3160428, 3687166, 4740642, 5530749, 6320856, 7110963, 7374332, 9481284, 11061498, 14221926, 14748664, 16592247, 18962568, 22122996, 28443852, 33184494, 44245992, 49776741, 56887704, 66368988, 99553482, 132737976, 199106964, 398213928]

約数ペア:

[(1, 398213928), (2, 199106964), (3, 132737976), (4, 99553482), (6, 66368988), (7, 56887704), (8, 49776741), (9, 44245992), (12, 33184494), (14, 28443852), (18, 22122996), (21, 18962568), (24, 16592247), (27, 14748664), (28, 14221926), (36, 11061498), (42, 9481284), (54, 7374332), (56, 7110963), (63, 6320856), (72, 5530749), (84, 4740642), (108, 3687166), (126, 3160428), (168, 2370321), (189, 2106952), (216, 1843583), (252, 1580214), (378, 1053476), (504, 790107), (756, 526738), (1512, 263369)]