987166090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{1847}}^1$

素因数の和:1999

約数の個数: 64

約数和(自身を含む): 1955923200

約数和(自身を除く): 968757110

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 97, 145, 190, 194, 290, 485, 551, 970, 1102, 1843, 1847, 2755, 2813, 3686, 3694, 5510, 5626, 9215, 9235, 14065, 18430, 18470, 28130, 35093, 53447, 53563, 70186, 106894, 107126, 175465, 179159, 267235, 267815, 350930, 358318, 534470, 535630, 895795, 1017697, 1791590, 2035394, 3404021, 5088485, 5195611, 6808042, 10176970, 10391222, 17020105, 25978055, 34040210, 51956110, 98716609, 197433218, 493583045, 987166090]

約数ペア:

[(1, 987166090), (2, 493583045), (5, 197433218), (10, 98716609), (19, 51956110), (29, 34040210), (38, 25978055), (58, 17020105), (95, 10391222), (97, 10176970), (145, 6808042), (190, 5195611), (194, 5088485), (290, 3404021), (485, 2035394), (551, 1791590), (970, 1017697), (1102, 895795), (1843, 535630), (1847, 534470), (2755, 358318), (2813, 350930), (3686, 267815), (3694, 267235), (5510, 179159), (5626, 175465), (9215, 107126), (9235, 106894), (14065, 70186), (18430, 53563), (18470, 53447), (28130, 35093)]