81808884

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{3407}}^1$

素因数の和:3469

約数の個数: 72

約数和(自身を含む): 223292160

約数和(自身を除く): 141483276

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 29, 36, 46, 58, 69, 87, 92, 116, 138, 174, 207, 261, 276, 348, 414, 522, 667, 828, 1044, 1334, 2001, 2668, 3407, 4002, 6003, 6814, 8004, 10221, 12006, 13628, 20442, 24012, 30663, 40884, 61326, 78361, 98803, 122652, 156722, 197606, 235083, 296409, 313444, 395212, 470166, 592818, 705249, 889227, 940332, 1185636, 1410498, 1778454, 2272469, 2820996, 3556908, 4544938, 6817407, 9089876, 13634814, 20452221, 27269628, 40904442, 81808884]

約数ペア:

[(1, 81808884), (2, 40904442), (3, 27269628), (4, 20452221), (6, 13634814), (9, 9089876), (12, 6817407), (18, 4544938), (23, 3556908), (29, 2820996), (36, 2272469), (46, 1778454), (58, 1410498), (69, 1185636), (87, 940332), (92, 889227), (116, 705249), (138, 592818), (174, 470166), (207, 395212), (261, 313444), (276, 296409), (348, 235083), (414, 197606), (522, 156722), (667, 122652), (828, 98803), (1044, 78361), (1334, 61326), (2001, 40884), (2668, 30663), (3407, 24012), (4002, 20442), (6003, 13628), (6814, 12006), (8004, 10221)]