664689958

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{2591}}^1$

素因数の和:2812

約数の個数: 32

約数和(自身を含む): 1081175040

約数和(自身を除く): 416485082

約数列:

[1, 2, 19, 38, 43, 86, 157, 314, 817, 1634, 2591, 2983, 5182, 5966, 6751, 13502, 49229, 98458, 111413, 128269, 222826, 256538, 406787, 813574, 2116847, 4233694, 7728953, 15457906, 17491841, 34983682, 332344979, 664689958]

約数ペア:

[(1, 664689958), (2, 332344979), (19, 34983682), (38, 17491841), (43, 15457906), (86, 7728953), (157, 4233694), (314, 2116847), (817, 813574), (1634, 406787), (2591, 256538), (2983, 222826), (5182, 128269), (5966, 111413), (6751, 98458), (13502, 49229)]