16860872

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 38880000

約数和(自身を除く): 22019128

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 89, 119, 136, 178, 199, 238, 356, 398, 476, 623, 712, 796, 952, 1246, 1393, 1513, 1592, 2492, 2786, 3026, 3383, 4984, 5572, 6052, 6766, 10591, 11144, 12104, 13532, 17711, 21182, 23681, 27064, 35422, 42364, 47362, 70844, 84728, 94724, 123977, 141688, 189448, 247954, 301087, 495908, 602174, 991816, 1204348, 2107609, 2408696, 4215218, 8430436, 16860872]

約数ペア:

[(1, 16860872), (2, 8430436), (4, 4215218), (7, 2408696), (8, 2107609), (14, 1204348), (17, 991816), (28, 602174), (34, 495908), (56, 301087), (68, 247954), (89, 189448), (119, 141688), (136, 123977), (178, 94724), (199, 84728), (238, 70844), (356, 47362), (398, 42364), (476, 35422), (623, 27064), (712, 23681), (796, 21182), (952, 17711), (1246, 13532), (1393, 12104), (1513, 11144), (1592, 10591), (2492, 6766), (2786, 6052), (3026, 5572), (3383, 4984)]