201620818

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{443}}^1$

素因数の和:559

約数の個数: 64

約数和(自身を含む): 383616000

約数和(自身を除く): 181995182

約数列:

[1, 2, 7, 14, 19, 29, 38, 58, 59, 118, 133, 203, 266, 406, 413, 443, 551, 826, 886, 1102, 1121, 1711, 2242, 3101, 3422, 3857, 6202, 7714, 7847, 8417, 11977, 12847, 15694, 16834, 23954, 25694, 26137, 32509, 52274, 58919, 65018, 89929, 117838, 179858, 182959, 227563, 244093, 365918, 455126, 488186, 496603, 757973, 993206, 1515946, 1708651, 3417302, 3476221, 5305811, 6952442, 10611622, 14401487, 28802974, 100810409, 201620818]

約数ペア:

[(1, 201620818), (2, 100810409), (7, 28802974), (14, 14401487), (19, 10611622), (29, 6952442), (38, 5305811), (58, 3476221), (59, 3417302), (118, 1708651), (133, 1515946), (203, 993206), (266, 757973), (406, 496603), (413, 488186), (443, 455126), (551, 365918), (826, 244093), (886, 227563), (1102, 182959), (1121, 179858), (1711, 117838), (2242, 89929), (3101, 65018), (3422, 58919), (3857, 52274), (6202, 32509), (7714, 26137), (7847, 25694), (8417, 23954), (11977, 16834), (12847, 15694)]