287971772

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1129}}^1$

素因数の和:1203

約数の個数: 72

約数和(自身を含む): 605969280

約数和(自身を除く): 317997508

約数列:

[1, 2, 4, 11, 17, 22, 31, 34, 44, 62, 68, 121, 124, 187, 242, 341, 374, 484, 527, 682, 748, 1054, 1129, 1364, 2057, 2108, 2258, 3751, 4114, 4516, 5797, 7502, 8228, 11594, 12419, 15004, 19193, 23188, 24838, 34999, 38386, 49676, 63767, 69998, 76772, 127534, 136609, 139996, 211123, 255068, 273218, 384989, 422246, 546436, 594983, 769978, 844492, 1189966, 1539956, 2322353, 2379932, 4234879, 4644706, 6544813, 8469758, 9289412, 13089626, 16939516, 26179252, 71992943, 143985886, 287971772]

約数ペア:

[(1, 287971772), (2, 143985886), (4, 71992943), (11, 26179252), (17, 16939516), (22, 13089626), (31, 9289412), (34, 8469758), (44, 6544813), (62, 4644706), (68, 4234879), (121, 2379932), (124, 2322353), (187, 1539956), (242, 1189966), (341, 844492), (374, 769978), (484, 594983), (527, 546436), (682, 422246), (748, 384989), (1054, 273218), (1129, 255068), (1364, 211123), (2057, 139996), (2108, 136609), (2258, 127534), (3751, 76772), (4114, 69998), (4516, 63767), (5797, 49676), (7502, 38386), (8228, 34999), (11594, 24838), (12419, 23188), (15004, 19193)]