30705934

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{509}}^1$

素因数の和:688

約数の個数: 32

約数和(自身を含む): 54835200

約数和(自身を除く): 24129266

約数列:

[1, 2, 7, 14, 31, 62, 139, 217, 278, 434, 509, 973, 1018, 1946, 3563, 4309, 7126, 8618, 15779, 30163, 31558, 60326, 70751, 110453, 141502, 220906, 495257, 990514, 2193281, 4386562, 15352967, 30705934]

約数ペア:

[(1, 30705934), (2, 15352967), (7, 4386562), (14, 2193281), (31, 990514), (62, 495257), (139, 220906), (217, 141502), (278, 110453), (434, 70751), (509, 60326), (973, 31558), (1018, 30163), (1946, 15779), (3563, 8618), (4309, 7126)]