81222890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{7207}}^1$

素因数の和:7251

約数の個数: 48

約数和(自身を含む): 177489792

約数和(自身を除く): 96266902

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 230, 245, 322, 490, 805, 1127, 1610, 2254, 5635, 7207, 11270, 14414, 36035, 50449, 72070, 100898, 165761, 252245, 331522, 353143, 504490, 706286, 828805, 1160327, 1657610, 1765715, 2320654, 3531430, 5801635, 8122289, 11603270, 16244578, 40611445, 81222890]

約数ペア:

[(1, 81222890), (2, 40611445), (5, 16244578), (7, 11603270), (10, 8122289), (14, 5801635), (23, 3531430), (35, 2320654), (46, 1765715), (49, 1657610), (70, 1160327), (98, 828805), (115, 706286), (161, 504490), (230, 353143), (245, 331522), (322, 252245), (490, 165761), (805, 100898), (1127, 72070), (1610, 50449), (2254, 36035), (5635, 14414), (7207, 11270)]