398384368

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{727}}^1\times {\mathrm{1181}}^1$

素因数の和:1945

約数の個数: 40

約数和(自身を含む): 800261280

約数和(自身を除く): 401876912

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 727, 1181, 1454, 2362, 2908, 4724, 5816, 9448, 11632, 18896, 21083, 34249, 42166, 68498, 84332, 136996, 168664, 273992, 337328, 547984, 858587, 1717174, 3434348, 6868696, 13737392, 24899023, 49798046, 99596092, 199192184, 398384368]

約数ペア:

[(1, 398384368), (2, 199192184), (4, 99596092), (8, 49798046), (16, 24899023), (29, 13737392), (58, 6868696), (116, 3434348), (232, 1717174), (464, 858587), (727, 547984), (1181, 337328), (1454, 273992), (2362, 168664), (2908, 136996), (4724, 84332), (5816, 68498), (9448, 42166), (11632, 34249), (18896, 21083)]