388640798

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{409}}^1$

素因数の和:681

約数の個数: 64

約数和(自身を含む): 753822720

約数和(自身を除く): 365181922

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 91, 161, 182, 227, 299, 322, 409, 454, 598, 818, 1589, 2093, 2863, 2951, 3178, 4186, 5221, 5317, 5726, 5902, 9407, 10442, 10634, 18814, 20657, 36547, 37219, 41314, 65849, 67873, 73094, 74438, 92843, 122291, 131698, 135746, 185686, 244582, 475111, 649901, 856037, 950222, 1206959, 1299802, 1712074, 2135389, 2413918, 4270778, 8448713, 14947723, 16897426, 27760057, 29895446, 55520114, 194320399, 388640798]

約数ペア:

[(1, 388640798), (2, 194320399), (7, 55520114), (13, 29895446), (14, 27760057), (23, 16897426), (26, 14947723), (46, 8448713), (91, 4270778), (161, 2413918), (182, 2135389), (227, 1712074), (299, 1299802), (322, 1206959), (409, 950222), (454, 856037), (598, 649901), (818, 475111), (1589, 244582), (2093, 185686), (2863, 135746), (2951, 131698), (3178, 122291), (4186, 92843), (5221, 74438), (5317, 73094), (5726, 67873), (5902, 65849), (9407, 41314), (10442, 37219), (10634, 36547), (18814, 20657)]