215894628

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{1949}}^1$

素因数の和:2157

約数の個数: 72

約数和(自身を含む): 581326200

約数和(自身を除く): 365431572

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 181, 204, 306, 362, 543, 612, 724, 1086, 1629, 1949, 2172, 3077, 3258, 3898, 5847, 6154, 6516, 7796, 9231, 11694, 12308, 17541, 18462, 23388, 27693, 33133, 35082, 36924, 55386, 66266, 70164, 99399, 110772, 132532, 198798, 298197, 352769, 397596, 596394, 705538, 1058307, 1192788, 1411076, 2116614, 3174921, 4233228, 5997073, 6349842, 11994146, 12699684, 17991219, 23988292, 35982438, 53973657, 71964876, 107947314, 215894628]

約数ペア:

[(1, 215894628), (2, 107947314), (3, 71964876), (4, 53973657), (6, 35982438), (9, 23988292), (12, 17991219), (17, 12699684), (18, 11994146), (34, 6349842), (36, 5997073), (51, 4233228), (68, 3174921), (102, 2116614), (153, 1411076), (181, 1192788), (204, 1058307), (306, 705538), (362, 596394), (543, 397596), (612, 352769), (724, 298197), (1086, 198798), (1629, 132532), (1949, 110772), (2172, 99399), (3077, 70164), (3258, 66266), (3898, 55386), (5847, 36924), (6154, 35082), (6516, 33133), (7796, 27693), (9231, 23388), (11694, 18462), (12308, 17541)]