1663505746

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{653}}^1$

素因数の和:899

約数の個数: 64

約数和(自身を含む): 3075160320

約数和(自身を除く): 1411654574

約数列:

[1, 2, 7, 14, 19, 38, 61, 122, 133, 157, 266, 314, 427, 653, 854, 1099, 1159, 1306, 2198, 2318, 2983, 4571, 5966, 8113, 9142, 9577, 12407, 16226, 19154, 20881, 24814, 39833, 41762, 67039, 79666, 86849, 102521, 134078, 173698, 181963, 205042, 278831, 363926, 557662, 717647, 756827, 1273741, 1435294, 1513654, 1947899, 2547482, 3895798, 5297789, 6253781, 10595578, 12507562, 13635293, 27270586, 43776467, 87552934, 118821839, 237643678, 831752873, 1663505746]

約数ペア:

[(1, 1663505746), (2, 831752873), (7, 237643678), (14, 118821839), (19, 87552934), (38, 43776467), (61, 27270586), (122, 13635293), (133, 12507562), (157, 10595578), (266, 6253781), (314, 5297789), (427, 3895798), (653, 2547482), (854, 1947899), (1099, 1513654), (1159, 1435294), (1306, 1273741), (2198, 756827), (2318, 717647), (2983, 557662), (4571, 363926), (5966, 278831), (8113, 205042), (9142, 181963), (9577, 173698), (12407, 134078), (16226, 102521), (19154, 86849), (20881, 79666), (24814, 67039), (39833, 41762)]