217139872

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{307}}^1$

素因数の和:402

約数の個数: 72

約数和(自身を含む): 462436128

約数和(自身を除く): 245296256

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 46, 62, 92, 124, 184, 248, 307, 368, 496, 614, 713, 736, 961, 992, 1228, 1426, 1922, 2456, 2852, 3844, 4912, 5704, 7061, 7688, 9517, 9824, 11408, 14122, 15376, 19034, 22103, 22816, 28244, 30752, 38068, 44206, 56488, 76136, 88412, 112976, 152272, 176824, 218891, 225952, 295027, 304544, 353648, 437782, 590054, 707296, 875564, 1180108, 1751128, 2360216, 3502256, 4720432, 6785621, 7004512, 9440864, 13571242, 27142484, 54284968, 108569936, 217139872]

約数ペア:

[(1, 217139872), (2, 108569936), (4, 54284968), (8, 27142484), (16, 13571242), (23, 9440864), (31, 7004512), (32, 6785621), (46, 4720432), (62, 3502256), (92, 2360216), (124, 1751128), (184, 1180108), (248, 875564), (307, 707296), (368, 590054), (496, 437782), (614, 353648), (713, 304544), (736, 295027), (961, 225952), (992, 218891), (1228, 176824), (1426, 152272), (1922, 112976), (2456, 88412), (2852, 76136), (3844, 56488), (4912, 44206), (5704, 38068), (7061, 30752), (7688, 28244), (9517, 22816), (9824, 22103), (11408, 19034), (14122, 15376)]