278350852

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{727}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 542214400

約数和(自身を除く): 263863548

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 199, 398, 481, 727, 796, 962, 1454, 1924, 2587, 2908, 5174, 7363, 9451, 10348, 14726, 18902, 26899, 29452, 37804, 53798, 95719, 107596, 144673, 191438, 289346, 349687, 382876, 578692, 699374, 1398748, 1880749, 3761498, 5352901, 7522996, 10705802, 21411604, 69587713, 139175426, 278350852]

約数ペア:

[(1, 278350852), (2, 139175426), (4, 69587713), (13, 21411604), (26, 10705802), (37, 7522996), (52, 5352901), (74, 3761498), (148, 1880749), (199, 1398748), (398, 699374), (481, 578692), (727, 382876), (796, 349687), (962, 289346), (1454, 191438), (1924, 144673), (2587, 107596), (2908, 95719), (5174, 53798), (7363, 37804), (9451, 29452), (10348, 26899), (14726, 18902)]