687448955

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 912638016

約数和(自身を除く): 225189061

約数列:

[1, 5, 23, 43, 53, 61, 115, 215, 265, 305, 989, 1219, 1403, 1849, 2279, 2623, 3233, 4945, 6095, 7015, 9245, 11395, 13115, 16165, 42527, 52417, 60329, 74359, 97997, 112789, 139019, 212635, 262085, 301645, 371795, 489985, 563945, 695095, 2253931, 2594147, 3197437, 5977817, 11269655, 12970735, 15987185, 29889085, 137489791, 687448955]

約数ペア:

[(1, 687448955), (5, 137489791), (23, 29889085), (43, 15987185), (53, 12970735), (61, 11269655), (115, 5977817), (215, 3197437), (265, 2594147), (305, 2253931), (989, 695095), (1219, 563945), (1403, 489985), (1849, 371795), (2279, 301645), (2623, 262085), (3233, 212635), (4945, 139019), (6095, 112789), (7015, 97997), (9245, 74359), (11395, 60329), (13115, 52417), (16165, 42527)]