16418787

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:188

約数の個数: 64

約数和(自身を含む): 29942784

約数和(自身を除く): 13523997

約数列:

[1, 3, 7, 11, 17, 21, 33, 37, 51, 77, 111, 113, 119, 187, 231, 259, 339, 357, 407, 561, 629, 777, 791, 1221, 1243, 1309, 1887, 1921, 2373, 2849, 3729, 3927, 4181, 4403, 5763, 6919, 8547, 8701, 12543, 13209, 13447, 20757, 21131, 26103, 29267, 40341, 45991, 48433, 63393, 71077, 87801, 137973, 145299, 147917, 213231, 321937, 443751, 497539, 781847, 965811, 1492617, 2345541, 5472929, 16418787]

約数ペア:

[(1, 16418787), (3, 5472929), (7, 2345541), (11, 1492617), (17, 965811), (21, 781847), (33, 497539), (37, 443751), (51, 321937), (77, 213231), (111, 147917), (113, 145299), (119, 137973), (187, 87801), (231, 71077), (259, 63393), (339, 48433), (357, 45991), (407, 40341), (561, 29267), (629, 26103), (777, 21131), (791, 20757), (1221, 13447), (1243, 13209), (1309, 12543), (1887, 8701), (1921, 8547), (2373, 6919), (2849, 5763), (3729, 4403), (3927, 4181)]