275981368

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{431}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 574801920

約数和(自身を除く): 298820552

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 131, 188, 262, 376, 431, 524, 611, 862, 1048, 1222, 1703, 1724, 2444, 3406, 3448, 4888, 5603, 6157, 6812, 11206, 12314, 13624, 20257, 22412, 24628, 40514, 44824, 49256, 56461, 80041, 81028, 112922, 160082, 162056, 225844, 263341, 320164, 451688, 526682, 640328, 733993, 1053364, 1467986, 2106728, 2653667, 2935972, 5307334, 5871944, 10614668, 21229336, 34497671, 68995342, 137990684, 275981368]

約数ペア:

[(1, 275981368), (2, 137990684), (4, 68995342), (8, 34497671), (13, 21229336), (26, 10614668), (47, 5871944), (52, 5307334), (94, 2935972), (104, 2653667), (131, 2106728), (188, 1467986), (262, 1053364), (376, 733993), (431, 640328), (524, 526682), (611, 451688), (862, 320164), (1048, 263341), (1222, 225844), (1703, 162056), (1724, 160082), (2444, 112922), (3406, 81028), (3448, 80041), (4888, 56461), (5603, 49256), (6157, 44824), (6812, 40514), (11206, 24628), (12314, 22412), (13624, 20257)]