16856784

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{2389}}^1$

素因数の和:2417

約数の個数: 90

約数和(自身を含む): 54900690

約数和(自身を除く): 38043906

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 392, 441, 504, 588, 784, 882, 1008, 1176, 1764, 2352, 2389, 3528, 4778, 7056, 7167, 9556, 14334, 16723, 19112, 21501, 28668, 33446, 38224, 43002, 50169, 57336, 66892, 86004, 100338, 114672, 117061, 133784, 150507, 172008, 200676, 234122, 267568, 301014, 344016, 351183, 401352, 468244, 602028, 702366, 802704, 936488, 1053549, 1204056, 1404732, 1872976, 2107098, 2408112, 2809464, 4214196, 5618928, 8428392, 16856784]

約数ペア:

[(1, 16856784), (2, 8428392), (3, 5618928), (4, 4214196), (6, 2809464), (7, 2408112), (8, 2107098), (9, 1872976), (12, 1404732), (14, 1204056), (16, 1053549), (18, 936488), (21, 802704), (24, 702366), (28, 602028), (36, 468244), (42, 401352), (48, 351183), (49, 344016), (56, 301014), (63, 267568), (72, 234122), (84, 200676), (98, 172008), (112, 150507), (126, 133784), (144, 117061), (147, 114672), (168, 100338), (196, 86004), (252, 66892), (294, 57336), (336, 50169), (392, 43002), (441, 38224), (504, 33446), (588, 28668), (784, 21501), (882, 19112), (1008, 16723), (1176, 14334), (1764, 9556), (2352, 7167), (2389, 7056), (3528, 4778)]