16780002

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:231

約数の個数: 48

約数和(自身を含む): 36283392

約数和(自身を除く): 19503390

約数列:

[1, 2, 3, 6, 19, 38, 57, 61, 114, 122, 127, 183, 254, 361, 366, 381, 722, 762, 1083, 1159, 2166, 2318, 2413, 3477, 4826, 6954, 7239, 7747, 14478, 15494, 22021, 23241, 44042, 45847, 46482, 66063, 91694, 132126, 137541, 147193, 275082, 294386, 441579, 883158, 2796667, 5593334, 8390001, 16780002]

約数ペア:

[(1, 16780002), (2, 8390001), (3, 5593334), (6, 2796667), (19, 883158), (38, 441579), (57, 294386), (61, 275082), (114, 147193), (122, 137541), (127, 132126), (183, 91694), (254, 66063), (361, 46482), (366, 45847), (381, 44042), (722, 23241), (762, 22021), (1083, 15494), (1159, 14478), (2166, 7747), (2318, 7239), (2413, 6954), (3477, 4826)]