217874216

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:391

約数の個数: 128

約数和(自身を含む): 532224000

約数和(自身を除く): 314349784

約数列:

[1, 2, 4, 7, 8, 14, 19, 23, 28, 29, 38, 46, 56, 58, 76, 92, 116, 133, 152, 161, 184, 203, 232, 266, 307, 322, 406, 437, 532, 551, 614, 644, 667, 812, 874, 1064, 1102, 1228, 1288, 1334, 1624, 1748, 2149, 2204, 2456, 2668, 3059, 3496, 3857, 4298, 4408, 4669, 5336, 5833, 6118, 7061, 7714, 8596, 8903, 9338, 11666, 12236, 12673, 14122, 15428, 17192, 17806, 18676, 23332, 24472, 25346, 28244, 30856, 35612, 37352, 40831, 46664, 49427, 50692, 56488, 62321, 71224, 81662, 88711, 98854, 101384, 124642, 134159, 163324, 169157, 177422, 197708, 204769, 249284, 268318, 326648, 338314, 354844, 395416, 409538, 498568, 536636, 676628, 709688, 819076, 939113, 1073272, 1184099, 1353256, 1433383, 1638152, 1878226, 2368198, 2866766, 3756452, 3890611, 4736396, 5733532, 7512904, 7781222, 9472792, 11467064, 15562444, 27234277, 31124888, 54468554, 108937108, 217874216]

約数ペア:

[(1, 217874216), (2, 108937108), (4, 54468554), (7, 31124888), (8, 27234277), (14, 15562444), (19, 11467064), (23, 9472792), (28, 7781222), (29, 7512904), (38, 5733532), (46, 4736396), (56, 3890611), (58, 3756452), (76, 2866766), (92, 2368198), (116, 1878226), (133, 1638152), (152, 1433383), (161, 1353256), (184, 1184099), (203, 1073272), (232, 939113), (266, 819076), (307, 709688), (322, 676628), (406, 536636), (437, 498568), (532, 409538), (551, 395416), (614, 354844), (644, 338314), (667, 326648), (812, 268318), (874, 249284), (1064, 204769), (1102, 197708), (1228, 177422), (1288, 169157), (1334, 163324), (1624, 134159), (1748, 124642), (2149, 101384), (2204, 98854), (2456, 88711), (2668, 81662), (3059, 71224), (3496, 62321), (3857, 56488), (4298, 50692), (4408, 49427), (4669, 46664), (5336, 40831), (5833, 37352), (6118, 35612), (7061, 30856), (7714, 28244), (8596, 25346), (8903, 24472), (9338, 23332), (11666, 18676), (12236, 17806), (12673, 17192), (14122, 15428)]