16621456

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1$

素因数の和:140

約数の個数: 60

約数和(自身を含む): 35462016

約数和(自身を除く): 18840560

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 47, 62, 92, 94, 124, 184, 188, 248, 368, 376, 496, 713, 752, 961, 1081, 1426, 1457, 1922, 2162, 2852, 2914, 3844, 4324, 5704, 5828, 7688, 8648, 11408, 11656, 15376, 17296, 22103, 23312, 33511, 44206, 45167, 67022, 88412, 90334, 134044, 176824, 180668, 268088, 353648, 361336, 536176, 722672, 1038841, 2077682, 4155364, 8310728, 16621456]

約数ペア:

[(1, 16621456), (2, 8310728), (4, 4155364), (8, 2077682), (16, 1038841), (23, 722672), (31, 536176), (46, 361336), (47, 353648), (62, 268088), (92, 180668), (94, 176824), (124, 134044), (184, 90334), (188, 88412), (248, 67022), (368, 45167), (376, 44206), (496, 33511), (713, 23312), (752, 22103), (961, 17296), (1081, 15376), (1426, 11656), (1457, 11408), (1922, 8648), (2162, 7688), (2852, 5828), (2914, 5704), (3844, 4324)]