254383864

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{631}}^1$

素因数の和:980

約数の個数: 64

約数和(自身を含む): 571530240

約数和(自身を除く): 317146376

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 313, 322, 626, 631, 644, 1252, 1262, 1288, 2191, 2504, 2524, 4382, 4417, 5048, 7199, 8764, 8834, 14398, 14513, 17528, 17668, 28796, 29026, 35336, 50393, 57592, 58052, 100786, 101591, 116104, 197503, 201572, 203182, 395006, 403144, 406364, 790012, 812728, 1382521, 1580024, 2765042, 4542569, 5530084, 9085138, 11060168, 18170276, 31797983, 36340552, 63595966, 127191932, 254383864]

約数ペア:

[(1, 254383864), (2, 127191932), (4, 63595966), (7, 36340552), (8, 31797983), (14, 18170276), (23, 11060168), (28, 9085138), (46, 5530084), (56, 4542569), (92, 2765042), (161, 1580024), (184, 1382521), (313, 812728), (322, 790012), (626, 406364), (631, 403144), (644, 395006), (1252, 203182), (1262, 201572), (1288, 197503), (2191, 116104), (2504, 101591), (2524, 100786), (4382, 58052), (4417, 57592), (5048, 50393), (7199, 35336), (8764, 29026), (8834, 28796), (14398, 17668), (14513, 17528)]