859408

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:295

約数の個数: 40

約数和(自身を含む): 1919520

約数和(自身を除く): 1060112

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 257, 304, 418, 514, 836, 1028, 1672, 2056, 2827, 3344, 4112, 4883, 5654, 9766, 11308, 19532, 22616, 39064, 45232, 53713, 78128, 107426, 214852, 429704, 859408]

約数ペア:

[(1, 859408), (2, 429704), (4, 214852), (8, 107426), (11, 78128), (16, 53713), (19, 45232), (22, 39064), (38, 22616), (44, 19532), (76, 11308), (88, 9766), (152, 5654), (176, 4883), (209, 4112), (257, 3344), (304, 2827), (418, 2056), (514, 1672), (836, 1028)]