253661716

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{857}}^1$

素因数の和:941

約数の個数: 72

約数和(自身を含む): 572539968

約数和(自身を除く): 318878252

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 124, 154, 217, 308, 341, 434, 682, 857, 868, 961, 1364, 1714, 1922, 2387, 3428, 3844, 4774, 5999, 6727, 9427, 9548, 10571, 11998, 13454, 18854, 21142, 23996, 26567, 26908, 37708, 42284, 53134, 65989, 73997, 106268, 131978, 147994, 185969, 263956, 292237, 295988, 371938, 584474, 743876, 823577, 1168948, 1647154, 2045659, 3294308, 4091318, 5765039, 8182636, 9059347, 11530078, 18118694, 23060156, 36237388, 63415429, 126830858, 253661716]

約数ペア:

[(1, 253661716), (2, 126830858), (4, 63415429), (7, 36237388), (11, 23060156), (14, 18118694), (22, 11530078), (28, 9059347), (31, 8182636), (44, 5765039), (62, 4091318), (77, 3294308), (124, 2045659), (154, 1647154), (217, 1168948), (308, 823577), (341, 743876), (434, 584474), (682, 371938), (857, 295988), (868, 292237), (961, 263956), (1364, 185969), (1714, 147994), (1922, 131978), (2387, 106268), (3428, 73997), (3844, 65989), (4774, 53134), (5999, 42284), (6727, 37708), (9427, 26908), (9548, 26567), (10571, 23996), (11998, 21142), (13454, 18854)]