215501968

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{157}}^1\times {\mathrm{709}}^1$

素因数の和:896

約数の個数: 60

約数和(自身を含む): 462518140

約数和(自身を除く): 247016172

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 157, 176, 242, 314, 484, 628, 709, 968, 1256, 1418, 1727, 1936, 2512, 2836, 3454, 5672, 6908, 7799, 11344, 13816, 15598, 18997, 27632, 31196, 37994, 62392, 75988, 85789, 111313, 124784, 151976, 171578, 222626, 303952, 343156, 445252, 686312, 890504, 1224443, 1372624, 1781008, 2448886, 4897772, 9795544, 13468873, 19591088, 26937746, 53875492, 107750984, 215501968]

約数ペア:

[(1, 215501968), (2, 107750984), (4, 53875492), (8, 26937746), (11, 19591088), (16, 13468873), (22, 9795544), (44, 4897772), (88, 2448886), (121, 1781008), (157, 1372624), (176, 1224443), (242, 890504), (314, 686312), (484, 445252), (628, 343156), (709, 303952), (968, 222626), (1256, 171578), (1418, 151976), (1727, 124784), (1936, 111313), (2512, 85789), (2836, 75988), (3454, 62392), (5672, 37994), (6908, 31196), (7799, 27632), (11344, 18997), (13816, 15598)]