991940716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{6553}}^1$

素因数の和:6682

約数の個数: 48

約数和(自身を含む): 1942291008

約数和(自身を除く): 950350292

約数列:

[1, 2, 4, 13, 26, 41, 52, 71, 82, 142, 164, 284, 533, 923, 1066, 1846, 2132, 2911, 3692, 5822, 6553, 11644, 13106, 26212, 37843, 75686, 85189, 151372, 170378, 268673, 340756, 465263, 537346, 930526, 1074692, 1861052, 3492749, 6048419, 6985498, 12096838, 13970996, 19075783, 24193676, 38151566, 76303132, 247985179, 495970358, 991940716]

約数ペア:

[(1, 991940716), (2, 495970358), (4, 247985179), (13, 76303132), (26, 38151566), (41, 24193676), (52, 19075783), (71, 13970996), (82, 12096838), (142, 6985498), (164, 6048419), (284, 3492749), (533, 1861052), (923, 1074692), (1066, 930526), (1846, 537346), (2132, 465263), (2911, 340756), (3692, 268673), (5822, 170378), (6553, 151372), (11644, 85189), (13106, 75686), (26212, 37843)]