254920608915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{661}}^1\times {\mathrm{18457}}^1$

素因数の和:19332

約数の個数: 64

約数和(自身を含む): 469217126400

約数和(自身を除く): 214296517485

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 199, 597, 661, 995, 1393, 1983, 2985, 3305, 4179, 4627, 6965, 9915, 13881, 18457, 20895, 23135, 55371, 69405, 92285, 129199, 131539, 276855, 387597, 394617, 645995, 657695, 920773, 1937985, 1973085, 2762319, 3672943, 4603865, 11018829, 12200077, 13811595, 18364715, 25710601, 36600231, 55094145, 61000385, 77131803, 85400539, 128553005, 183001155, 256201617, 385659015, 427002695, 1281008085, 2427815323, 7283445969, 12139076615, 16994707261, 36417229845, 50984121783, 84973536305, 254920608915]

約数ペア:

[(1, 254920608915), (3, 84973536305), (5, 50984121783), (7, 36417229845), (15, 16994707261), (21, 12139076615), (35, 7283445969), (105, 2427815323), (199, 1281008085), (597, 427002695), (661, 385659015), (995, 256201617), (1393, 183001155), (1983, 128553005), (2985, 85400539), (3305, 77131803), (4179, 61000385), (4627, 55094145), (6965, 36600231), (9915, 25710601), (13881, 18364715), (18457, 13811595), (20895, 12200077), (23135, 11018829), (55371, 4603865), (69405, 3672943), (92285, 2762319), (129199, 1973085), (131539, 1937985), (276855, 920773), (387597, 657695), (394617, 645995)]