31180279956

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{397}}^1\times {\mathrm{133571}}^1$

素因数の和:133989

約数の個数: 72

約数和(自身を含む): 84846002976

約数和(自身を除く): 53665723020

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 397, 588, 794, 1191, 1588, 2382, 2779, 4764, 5558, 8337, 11116, 16674, 19453, 33348, 38906, 58359, 77812, 116718, 133571, 233436, 267142, 400713, 534284, 801426, 934997, 1602852, 1869994, 2804991, 3739988, 5609982, 6544979, 11219964, 13089958, 19634937, 26179916, 39269874, 53027687, 78539748, 106055374, 159083061, 212110748, 318166122, 371193809, 636332244, 742387618, 1113581427, 1484775236, 2227162854, 2598356663, 4454325708, 5196713326, 7795069989, 10393426652, 15590139978, 31180279956]

約数ペア:

[(1, 31180279956), (2, 15590139978), (3, 10393426652), (4, 7795069989), (6, 5196713326), (7, 4454325708), (12, 2598356663), (14, 2227162854), (21, 1484775236), (28, 1113581427), (42, 742387618), (49, 636332244), (84, 371193809), (98, 318166122), (147, 212110748), (196, 159083061), (294, 106055374), (397, 78539748), (588, 53027687), (794, 39269874), (1191, 26179916), (1588, 19634937), (2382, 13089958), (2779, 11219964), (4764, 6544979), (5558, 5609982), (8337, 3739988), (11116, 2804991), (16674, 1869994), (19453, 1602852), (33348, 934997), (38906, 801426), (58359, 534284), (77812, 400713), (116718, 267142), (133571, 233436)]