1953972904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{20899}}^1$

素因数の和:20978

約数の個数: 64

約数和(自身を含む): 4213440000

約数和(自身を除く): 2259467096

約数列:

[1, 2, 4, 8, 13, 26, 29, 31, 52, 58, 62, 104, 116, 124, 232, 248, 377, 403, 754, 806, 899, 1508, 1612, 1798, 3016, 3224, 3596, 7192, 11687, 20899, 23374, 41798, 46748, 83596, 93496, 167192, 271687, 543374, 606071, 647869, 1086748, 1212142, 1295738, 2173496, 2424284, 2591476, 4848568, 5182952, 7878923, 8422297, 15757846, 16844594, 18788201, 31515692, 33689188, 37576402, 63031384, 67378376, 75152804, 150305608, 244246613, 488493226, 976986452, 1953972904]

約数ペア:

[(1, 1953972904), (2, 976986452), (4, 488493226), (8, 244246613), (13, 150305608), (26, 75152804), (29, 67378376), (31, 63031384), (52, 37576402), (58, 33689188), (62, 31515692), (104, 18788201), (116, 16844594), (124, 15757846), (232, 8422297), (248, 7878923), (377, 5182952), (403, 4848568), (754, 2591476), (806, 2424284), (899, 2173496), (1508, 1295738), (1612, 1212142), (1798, 1086748), (3016, 647869), (3224, 606071), (3596, 543374), (7192, 271687), (11687, 167192), (20899, 93496), (23374, 83596), (41798, 46748)]