31214456

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{809}}^1$

素因数の和:888

約数の個数: 64

約数和(自身を含む): 73483200

約数和(自身を除く): 42268744

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 53, 56, 91, 104, 106, 182, 212, 364, 371, 424, 689, 728, 742, 809, 1378, 1484, 1618, 2756, 2968, 3236, 4823, 5512, 5663, 6472, 9646, 10517, 11326, 19292, 21034, 22652, 38584, 42068, 42877, 45304, 73619, 84136, 85754, 147238, 171508, 294476, 300139, 343016, 557401, 588952, 600278, 1114802, 1200556, 2229604, 2401112, 3901807, 4459208, 7803614, 15607228, 31214456]

約数ペア:

[(1, 31214456), (2, 15607228), (4, 7803614), (7, 4459208), (8, 3901807), (13, 2401112), (14, 2229604), (26, 1200556), (28, 1114802), (52, 600278), (53, 588952), (56, 557401), (91, 343016), (104, 300139), (106, 294476), (182, 171508), (212, 147238), (364, 85754), (371, 84136), (424, 73619), (689, 45304), (728, 42877), (742, 42068), (809, 38584), (1378, 22652), (1484, 21034), (1618, 19292), (2756, 11326), (2968, 10517), (3236, 9646), (4823, 6472), (5512, 5663)]