15900976

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:258

約数の個数: 80

約数和(自身を含む): 38719744

約数和(自身を除く): 22818768

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 67, 91, 104, 112, 134, 163, 182, 208, 268, 326, 364, 469, 536, 652, 728, 871, 938, 1072, 1141, 1304, 1456, 1742, 1876, 2119, 2282, 2608, 3484, 3752, 4238, 4564, 6097, 6968, 7504, 8476, 9128, 10921, 12194, 13936, 14833, 16952, 18256, 21842, 24388, 29666, 33904, 43684, 48776, 59332, 76447, 87368, 97552, 118664, 141973, 152894, 174736, 237328, 283946, 305788, 567892, 611576, 993811, 1135784, 1223152, 1987622, 2271568, 3975244, 7950488, 15900976]

約数ペア:

[(1, 15900976), (2, 7950488), (4, 3975244), (7, 2271568), (8, 1987622), (13, 1223152), (14, 1135784), (16, 993811), (26, 611576), (28, 567892), (52, 305788), (56, 283946), (67, 237328), (91, 174736), (104, 152894), (112, 141973), (134, 118664), (163, 97552), (182, 87368), (208, 76447), (268, 59332), (326, 48776), (364, 43684), (469, 33904), (536, 29666), (652, 24388), (728, 21842), (871, 18256), (938, 16952), (1072, 14833), (1141, 13936), (1304, 12194), (1456, 10921), (1742, 9128), (1876, 8476), (2119, 7504), (2282, 6968), (2608, 6097), (3484, 4564), (3752, 4238)]