138800454

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{419}}^1$

素因数の和:605

約数の個数: 64

約数和(自身を含む): 311592960

約数和(自身を除く): 172792506

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 137, 186, 274, 403, 411, 419, 806, 822, 838, 1209, 1257, 1781, 2418, 2514, 3562, 4247, 5343, 5447, 8494, 10686, 10894, 12741, 12989, 16341, 25482, 25978, 32682, 38967, 55211, 57403, 77934, 110422, 114806, 165633, 168857, 172209, 331266, 337714, 344418, 506571, 746239, 1013142, 1492478, 1779493, 2238717, 3558986, 4477434, 5338479, 10676958, 23133409, 46266818, 69400227, 138800454]

約数ペア:

[(1, 138800454), (2, 69400227), (3, 46266818), (6, 23133409), (13, 10676958), (26, 5338479), (31, 4477434), (39, 3558986), (62, 2238717), (78, 1779493), (93, 1492478), (137, 1013142), (186, 746239), (274, 506571), (403, 344418), (411, 337714), (419, 331266), (806, 172209), (822, 168857), (838, 165633), (1209, 114806), (1257, 110422), (1781, 77934), (2418, 57403), (2514, 55211), (3562, 38967), (4247, 32682), (5343, 25978), (5447, 25482), (8494, 16341), (10686, 12989), (10894, 12741)]