72291128

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{499}}^1$

素因数の和:724

約数の個数: 64

約数和(自身を含む): 168000000

約数和(自身を除く): 95708872

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 199, 364, 398, 499, 728, 796, 998, 1393, 1592, 1996, 2587, 2786, 3493, 3992, 5174, 5572, 6487, 6986, 10348, 11144, 12974, 13972, 18109, 20696, 25948, 27944, 36218, 45409, 51896, 72436, 90818, 99301, 144872, 181636, 198602, 363272, 397204, 695107, 794408, 1290913, 1390214, 2581826, 2780428, 5163652, 5560856, 9036391, 10327304, 18072782, 36145564, 72291128]

約数ペア:

[(1, 72291128), (2, 36145564), (4, 18072782), (7, 10327304), (8, 9036391), (13, 5560856), (14, 5163652), (26, 2780428), (28, 2581826), (52, 1390214), (56, 1290913), (91, 794408), (104, 695107), (182, 397204), (199, 363272), (364, 198602), (398, 181636), (499, 144872), (728, 99301), (796, 90818), (998, 72436), (1393, 51896), (1592, 45409), (1996, 36218), (2587, 27944), (2786, 25948), (3493, 20696), (3992, 18109), (5174, 13972), (5572, 12974), (6487, 11144), (6986, 10348)]