278316468

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{7817}}^1$

素因数の和:7893

約数の個数: 72

約数和(自身を含む): 751278528

約数和(自身を除く): 472962060

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 43, 46, 69, 86, 92, 129, 138, 172, 207, 258, 276, 387, 414, 516, 774, 828, 989, 1548, 1978, 2967, 3956, 5934, 7817, 8901, 11868, 15634, 17802, 23451, 31268, 35604, 46902, 70353, 93804, 140706, 179791, 281412, 336131, 359582, 539373, 672262, 719164, 1008393, 1078746, 1344524, 1618119, 2016786, 2157492, 3025179, 3236238, 4033572, 6050358, 6472476, 7731013, 12100716, 15462026, 23193039, 30924052, 46386078, 69579117, 92772156, 139158234, 278316468]

約数ペア:

[(1, 278316468), (2, 139158234), (3, 92772156), (4, 69579117), (6, 46386078), (9, 30924052), (12, 23193039), (18, 15462026), (23, 12100716), (36, 7731013), (43, 6472476), (46, 6050358), (69, 4033572), (86, 3236238), (92, 3025179), (129, 2157492), (138, 2016786), (172, 1618119), (207, 1344524), (258, 1078746), (276, 1008393), (387, 719164), (414, 672262), (516, 539373), (774, 359582), (828, 336131), (989, 281412), (1548, 179791), (1978, 140706), (2967, 93804), (3956, 70353), (5934, 46902), (7817, 35604), (8901, 31268), (11868, 23451), (15634, 17802)]