217814618

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{3079}}^1$

素因数の和:3282

約数の個数: 32

約数和(自身を含む): 387932160

約数和(自身を除く): 170117542

約数列:

[1, 2, 7, 14, 31, 62, 163, 217, 326, 434, 1141, 2282, 3079, 5053, 6158, 10106, 21553, 35371, 43106, 70742, 95449, 190898, 501877, 668143, 1003754, 1336286, 3513139, 7026278, 15558187, 31116374, 108907309, 217814618]

約数ペア:

[(1, 217814618), (2, 108907309), (7, 31116374), (14, 15558187), (31, 7026278), (62, 3513139), (163, 1336286), (217, 1003754), (326, 668143), (434, 501877), (1141, 190898), (2282, 95449), (3079, 70742), (5053, 43106), (6158, 35371), (10106, 21553)]