31242016

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:198

約数の個数: 72

約数和(自身を含む): 68482260

約数和(自身を除く): 37240244

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 104, 106, 109, 169, 208, 212, 218, 338, 416, 424, 436, 676, 689, 848, 872, 1352, 1378, 1417, 1696, 1744, 2704, 2756, 2834, 3488, 5408, 5512, 5668, 5777, 8957, 11024, 11336, 11554, 17914, 18421, 22048, 22672, 23108, 35828, 36842, 45344, 46216, 71656, 73684, 75101, 92432, 143312, 147368, 150202, 184864, 286624, 294736, 300404, 589472, 600808, 976313, 1201616, 1952626, 2403232, 3905252, 7810504, 15621008, 31242016]

約数ペア:

[(1, 31242016), (2, 15621008), (4, 7810504), (8, 3905252), (13, 2403232), (16, 1952626), (26, 1201616), (32, 976313), (52, 600808), (53, 589472), (104, 300404), (106, 294736), (109, 286624), (169, 184864), (208, 150202), (212, 147368), (218, 143312), (338, 92432), (416, 75101), (424, 73684), (436, 71656), (676, 46216), (689, 45344), (848, 36842), (872, 35828), (1352, 23108), (1378, 22672), (1417, 22048), (1696, 18421), (1744, 17914), (2704, 11554), (2756, 11336), (2834, 11024), (3488, 8957), (5408, 5777), (5512, 5668)]