17977148

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 37632000

約数和(自身を除く): 19654852

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 139, 149, 217, 278, 298, 434, 556, 596, 868, 973, 1043, 1946, 2086, 3892, 4172, 4309, 4619, 8618, 9238, 17236, 18476, 20711, 30163, 32333, 41422, 60326, 64666, 82844, 120652, 129332, 144977, 289954, 579908, 642041, 1284082, 2568164, 4494287, 8988574, 17977148]

約数ペア:

[(1, 17977148), (2, 8988574), (4, 4494287), (7, 2568164), (14, 1284082), (28, 642041), (31, 579908), (62, 289954), (124, 144977), (139, 129332), (149, 120652), (217, 82844), (278, 64666), (298, 60326), (434, 41422), (556, 32333), (596, 30163), (868, 20711), (973, 18476), (1043, 17236), (1946, 9238), (2086, 8618), (3892, 4619), (4172, 4309)]