71217972

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{859}}^1$

素因数の和:930

約数の個数: 108

約数和(自身を含む): 214119360

約数和(自身を除く): 142901388

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 47, 49, 63, 84, 94, 98, 126, 141, 147, 188, 196, 252, 282, 294, 329, 423, 441, 564, 588, 658, 846, 859, 882, 987, 1316, 1692, 1718, 1764, 1974, 2303, 2577, 2961, 3436, 3948, 4606, 5154, 5922, 6013, 6909, 7731, 9212, 10308, 11844, 12026, 13818, 15462, 18039, 20727, 24052, 27636, 30924, 36078, 40373, 41454, 42091, 54117, 72156, 80746, 82908, 84182, 108234, 121119, 126273, 161492, 168364, 216468, 242238, 252546, 282611, 363357, 378819, 484476, 505092, 565222, 726714, 757638, 847833, 1130444, 1453428, 1515276, 1695666, 1978277, 2543499, 3391332, 3956554, 5086998, 5934831, 7913108, 10173996, 11869662, 17804493, 23739324, 35608986, 71217972]

約数ペア:

[(1, 71217972), (2, 35608986), (3, 23739324), (4, 17804493), (6, 11869662), (7, 10173996), (9, 7913108), (12, 5934831), (14, 5086998), (18, 3956554), (21, 3391332), (28, 2543499), (36, 1978277), (42, 1695666), (47, 1515276), (49, 1453428), (63, 1130444), (84, 847833), (94, 757638), (98, 726714), (126, 565222), (141, 505092), (147, 484476), (188, 378819), (196, 363357), (252, 282611), (282, 252546), (294, 242238), (329, 216468), (423, 168364), (441, 161492), (564, 126273), (588, 121119), (658, 108234), (846, 84182), (859, 82908), (882, 80746), (987, 72156), (1316, 54117), (1692, 42091), (1718, 41454), (1764, 40373), (1974, 36078), (2303, 30924), (2577, 27636), (2961, 24052), (3436, 20727), (3948, 18039), (4606, 15462), (5154, 13818), (5922, 12026), (6013, 11844), (6909, 10308), (7731, 9212)]