28717018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 53913600

約数和(自身を除く): 25196582

約数列:

[1, 2, 11, 19, 22, 23, 29, 38, 46, 58, 103, 206, 209, 253, 319, 418, 437, 506, 551, 638, 667, 874, 1102, 1133, 1334, 1957, 2266, 2369, 2987, 3914, 4738, 4807, 5974, 6061, 7337, 9614, 12122, 12673, 14674, 21527, 25346, 26059, 32857, 43054, 45011, 52118, 56753, 65714, 68701, 90022, 113506, 137402, 139403, 278806, 495121, 624283, 755711, 990242, 1248566, 1305319, 1511422, 2610638, 14358509, 28717018]

約数ペア:

[(1, 28717018), (2, 14358509), (11, 2610638), (19, 1511422), (22, 1305319), (23, 1248566), (29, 990242), (38, 755711), (46, 624283), (58, 495121), (103, 278806), (206, 139403), (209, 137402), (253, 113506), (319, 90022), (418, 68701), (437, 65714), (506, 56753), (551, 52118), (638, 45011), (667, 43054), (874, 32857), (1102, 26059), (1133, 25346), (1334, 21527), (1957, 14674), (2266, 12673), (2369, 12122), (2987, 9614), (3914, 7337), (4738, 6061), (4807, 5974)]