31856156948

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{797}}^1\times {\mathrm{18539}}^1$

素因数の和:19365

約数の個数: 72

約数和(自身を含む): 70838076960

約数和(自身を除く): 38981920012

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 797, 1078, 1594, 2156, 3188, 5579, 8767, 11158, 17534, 18539, 22316, 35068, 37078, 39053, 61369, 74156, 78106, 122738, 129773, 156212, 203929, 245476, 259546, 407858, 429583, 519092, 815716, 859166, 908411, 1427503, 1718332, 1816822, 2855006, 3633644, 5710012, 9992521, 14775583, 19985042, 29551166, 39970084, 59102332, 103429081, 162531413, 206858162, 325062826, 413716324, 650125652, 724003567, 1137719891, 1448007134, 2275439782, 2896014268, 4550879564, 7964039237, 15928078474, 31856156948]

約数ペア:

[(1, 31856156948), (2, 15928078474), (4, 7964039237), (7, 4550879564), (11, 2896014268), (14, 2275439782), (22, 1448007134), (28, 1137719891), (44, 724003567), (49, 650125652), (77, 413716324), (98, 325062826), (154, 206858162), (196, 162531413), (308, 103429081), (539, 59102332), (797, 39970084), (1078, 29551166), (1594, 19985042), (2156, 14775583), (3188, 9992521), (5579, 5710012), (8767, 3633644), (11158, 2855006), (17534, 1816822), (18539, 1718332), (22316, 1427503), (35068, 908411), (37078, 859166), (39053, 815716), (61369, 519092), (74156, 429583), (78106, 407858), (122738, 259546), (129773, 245476), (156212, 203929)]