71628752

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:516

約数の個数: 80

約数和(自身を含む): 161989632

約数和(自身を除く): 90360880

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 47, 52, 68, 94, 104, 136, 188, 208, 221, 272, 376, 431, 442, 611, 752, 799, 862, 884, 1222, 1598, 1724, 1768, 2444, 3196, 3448, 3536, 4888, 5603, 6392, 6896, 7327, 9776, 10387, 11206, 12784, 14654, 20257, 20774, 22412, 29308, 40514, 41548, 44824, 58616, 81028, 83096, 89648, 95251, 117232, 162056, 166192, 190502, 263341, 324112, 344369, 381004, 526682, 688738, 762008, 1053364, 1377476, 1524016, 2106728, 2754952, 4213456, 4476797, 5509904, 8953594, 17907188, 35814376, 71628752]

約数ペア:

[(1, 71628752), (2, 35814376), (4, 17907188), (8, 8953594), (13, 5509904), (16, 4476797), (17, 4213456), (26, 2754952), (34, 2106728), (47, 1524016), (52, 1377476), (68, 1053364), (94, 762008), (104, 688738), (136, 526682), (188, 381004), (208, 344369), (221, 324112), (272, 263341), (376, 190502), (431, 166192), (442, 162056), (611, 117232), (752, 95251), (799, 89648), (862, 83096), (884, 81028), (1222, 58616), (1598, 44824), (1724, 41548), (1768, 40514), (2444, 29308), (3196, 22412), (3448, 20774), (3536, 20257), (4888, 14654), (5603, 12784), (6392, 11206), (6896, 10387), (7327, 9776)]