338663375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 475517952

約数和(自身を除く): 136854577

約数列:

[1, 5, 17, 25, 31, 53, 85, 97, 125, 155, 265, 425, 485, 527, 775, 901, 1325, 1643, 1649, 2125, 2425, 2635, 3007, 3875, 4505, 5141, 6625, 8215, 8245, 12125, 13175, 15035, 22525, 25705, 27931, 41075, 41225, 51119, 65875, 75175, 87397, 112625, 128525, 139655, 159371, 205375, 206125, 255595, 375875, 436985, 642625, 698275, 796855, 1277975, 2184925, 2709307, 3491375, 3984275, 6389875, 10924625, 13546535, 19921375, 67732675, 338663375]

約数ペア:

[(1, 338663375), (5, 67732675), (17, 19921375), (25, 13546535), (31, 10924625), (53, 6389875), (85, 3984275), (97, 3491375), (125, 2709307), (155, 2184925), (265, 1277975), (425, 796855), (485, 698275), (527, 642625), (775, 436985), (901, 375875), (1325, 255595), (1643, 206125), (1649, 205375), (2125, 159371), (2425, 139655), (2635, 128525), (3007, 112625), (3875, 87397), (4505, 75175), (5141, 65875), (6625, 51119), (8215, 41225), (8245, 41075), (12125, 27931), (13175, 25705), (15035, 22525)]