881953156

素因数分解:

$2^2\times 7^3\times {\mathrm{79}}^2\times {\mathrm{103}}^1$

素因数の和:286

約数の個数: 72

約数和(自身を含む): 1840675200

約数和(自身を除く): 958722044

約数列:

[1, 2, 4, 7, 14, 28, 49, 79, 98, 103, 158, 196, 206, 316, 343, 412, 553, 686, 721, 1106, 1372, 1442, 2212, 2884, 3871, 5047, 6241, 7742, 8137, 10094, 12482, 15484, 16274, 20188, 24964, 27097, 32548, 35329, 43687, 54194, 56959, 70658, 87374, 108388, 113918, 141316, 174748, 227836, 305809, 398713, 611618, 642823, 797426, 1223236, 1285646, 1594852, 2140663, 2571292, 2790991, 4281326, 4499761, 5581982, 8562652, 8999522, 11163964, 17999044, 31498327, 62996654, 125993308, 220488289, 440976578, 881953156]

約数ペア:

[(1, 881953156), (2, 440976578), (4, 220488289), (7, 125993308), (14, 62996654), (28, 31498327), (49, 17999044), (79, 11163964), (98, 8999522), (103, 8562652), (158, 5581982), (196, 4499761), (206, 4281326), (316, 2790991), (343, 2571292), (412, 2140663), (553, 1594852), (686, 1285646), (721, 1223236), (1106, 797426), (1372, 642823), (1442, 611618), (2212, 398713), (2884, 305809), (3871, 227836), (5047, 174748), (6241, 141316), (7742, 113918), (8137, 108388), (10094, 87374), (12482, 70658), (15484, 56959), (16274, 54194), (20188, 43687), (24964, 35329), (27097, 32548)]