289301168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{293}}^1$

素因数の和:462

約数の個数: 80

約数和(自身を含む): 624710016

約数和(自身を除く): 335408848

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 101, 104, 188, 202, 208, 293, 376, 404, 586, 611, 752, 808, 1172, 1222, 1313, 1616, 2344, 2444, 2626, 3809, 4688, 4747, 4888, 5252, 7618, 9494, 9776, 10504, 13771, 15236, 18988, 21008, 27542, 29593, 30472, 37976, 55084, 59186, 60944, 61711, 75952, 110168, 118372, 123422, 179023, 220336, 236744, 246844, 358046, 384709, 473488, 493688, 716092, 769418, 987376, 1390871, 1432184, 1538836, 2781742, 2864368, 3077672, 5563484, 6155344, 11126968, 18081323, 22253936, 36162646, 72325292, 144650584, 289301168]

約数ペア:

[(1, 289301168), (2, 144650584), (4, 72325292), (8, 36162646), (13, 22253936), (16, 18081323), (26, 11126968), (47, 6155344), (52, 5563484), (94, 3077672), (101, 2864368), (104, 2781742), (188, 1538836), (202, 1432184), (208, 1390871), (293, 987376), (376, 769418), (404, 716092), (586, 493688), (611, 473488), (752, 384709), (808, 358046), (1172, 246844), (1222, 236744), (1313, 220336), (1616, 179023), (2344, 123422), (2444, 118372), (2626, 110168), (3809, 75952), (4688, 61711), (4747, 60944), (4888, 59186), (5252, 55084), (7618, 37976), (9494, 30472), (9776, 29593), (10504, 27542), (13771, 21008), (15236, 18988)]