397193762

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{39791}}^1$

素因数の和:39854

約数の個数: 32

約数和(自身を含む): 733446144

約数和(自身を除く): 336252382

約数列:

[1, 2, 7, 14, 23, 31, 46, 62, 161, 217, 322, 434, 713, 1426, 4991, 9982, 39791, 79582, 278537, 557074, 915193, 1233521, 1830386, 2467042, 6406351, 8634647, 12812702, 17269294, 28370983, 56741966, 198596881, 397193762]

約数ペア:

[(1, 397193762), (2, 198596881), (7, 56741966), (14, 28370983), (23, 17269294), (31, 12812702), (46, 8634647), (62, 6406351), (161, 2467042), (217, 1830386), (322, 1233521), (434, 915193), (713, 557074), (1426, 278537), (4991, 79582), (9982, 39791)]