289478

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:92

約数の個数: 32

約数和(自身を含む): 552960

約数和(自身を除く): 263482

約数列:

[1, 2, 7, 14, 23, 29, 31, 46, 58, 62, 161, 203, 217, 322, 406, 434, 667, 713, 899, 1334, 1426, 1798, 4669, 4991, 6293, 9338, 9982, 12586, 20677, 41354, 144739, 289478]

約数ペア:

[(1, 289478), (2, 144739), (7, 41354), (14, 20677), (23, 12586), (29, 9982), (31, 9338), (46, 6293), (58, 4991), (62, 4669), (161, 1798), (203, 1426), (217, 1334), (322, 899), (406, 713), (434, 667)]