71438472

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{20249}}^1$

素因数の和:20275

約数の個数: 72

約数和(自身を含む): 225078750

約数和(自身を除く): 153640278

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 20249, 40498, 60747, 80996, 121494, 141743, 161992, 182241, 242988, 283486, 364482, 425229, 485976, 566972, 728964, 850458, 992201, 1133944, 1275687, 1457928, 1700916, 1984402, 2551374, 2976603, 3401832, 3968804, 5102748, 5953206, 7937608, 8929809, 10205496, 11906412, 17859618, 23812824, 35719236, 71438472]

約数ペア:

[(1, 71438472), (2, 35719236), (3, 23812824), (4, 17859618), (6, 11906412), (7, 10205496), (8, 8929809), (9, 7937608), (12, 5953206), (14, 5102748), (18, 3968804), (21, 3401832), (24, 2976603), (28, 2551374), (36, 1984402), (42, 1700916), (49, 1457928), (56, 1275687), (63, 1133944), (72, 992201), (84, 850458), (98, 728964), (126, 566972), (147, 485976), (168, 425229), (196, 364482), (252, 283486), (294, 242988), (392, 182241), (441, 161992), (504, 141743), (588, 121494), (882, 80996), (1176, 60747), (1764, 40498), (3528, 20249)]