181542725

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{401}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 279148800

約数和(自身を除く): 97606075

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 199, 325, 401, 455, 995, 1393, 2005, 2275, 2587, 2807, 4975, 5213, 6965, 10025, 12935, 14035, 18109, 26065, 34825, 36491, 64675, 70175, 79799, 90545, 130325, 182455, 398995, 452725, 558593, 912275, 1037387, 1994975, 2792965, 5186935, 7261709, 13964825, 25934675, 36308545, 181542725]

約数ペア:

[(1, 181542725), (5, 36308545), (7, 25934675), (13, 13964825), (25, 7261709), (35, 5186935), (65, 2792965), (91, 1994975), (175, 1037387), (199, 912275), (325, 558593), (401, 452725), (455, 398995), (995, 182455), (1393, 130325), (2005, 90545), (2275, 79799), (2587, 70175), (2807, 64675), (4975, 36491), (5213, 34825), (6965, 26065), (10025, 18109), (12935, 14035)]