85720218

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^2\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:403

約数の個数: 48

約数和(自身を含む): 181560960

約数和(自身を除く): 95840742

約数列:

[1, 2, 3, 6, 23, 46, 69, 113, 138, 226, 239, 339, 478, 529, 678, 717, 1058, 1434, 1587, 2599, 3174, 5198, 5497, 7797, 10994, 15594, 16491, 27007, 32982, 54014, 59777, 81021, 119554, 126431, 162042, 179331, 252862, 358662, 379293, 621161, 758586, 1242322, 1863483, 3726966, 14286703, 28573406, 42860109, 85720218]

約数ペア:

[(1, 85720218), (2, 42860109), (3, 28573406), (6, 14286703), (23, 3726966), (46, 1863483), (69, 1242322), (113, 758586), (138, 621161), (226, 379293), (239, 358662), (339, 252862), (478, 179331), (529, 162042), (678, 126431), (717, 119554), (1058, 81021), (1434, 59777), (1587, 54014), (2599, 32982), (3174, 27007), (5198, 16491), (5497, 15594), (7797, 10994)]