1373999904

素因数分解:

$2^5\times 3^2\times {\mathrm{1997}}^1\times {\mathrm{2389}}^1$

素因数の和:4402

約数の個数: 72

約数和(自身を含む): 3910905180

約数和(自身を除く): 2536905276

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 1997, 2389, 3994, 4778, 5991, 7167, 7988, 9556, 11982, 14334, 15976, 17973, 19112, 21501, 23964, 28668, 31952, 35946, 38224, 43002, 47928, 57336, 63904, 71892, 76448, 86004, 95856, 114672, 143784, 172008, 191712, 229344, 287568, 344016, 575136, 688032, 4770833, 9541666, 14312499, 19083332, 28624998, 38166664, 42937497, 57249996, 76333328, 85874994, 114499992, 152666656, 171749988, 228999984, 343499976, 457999968, 686999952, 1373999904]

約数ペア:

[(1, 1373999904), (2, 686999952), (3, 457999968), (4, 343499976), (6, 228999984), (8, 171749988), (9, 152666656), (12, 114499992), (16, 85874994), (18, 76333328), (24, 57249996), (32, 42937497), (36, 38166664), (48, 28624998), (72, 19083332), (96, 14312499), (144, 9541666), (288, 4770833), (1997, 688032), (2389, 575136), (3994, 344016), (4778, 287568), (5991, 229344), (7167, 191712), (7988, 172008), (9556, 143784), (11982, 114672), (14334, 95856), (15976, 86004), (17973, 76448), (19112, 71892), (21501, 63904), (23964, 57336), (28668, 47928), (31952, 43002), (35946, 38224)]