19637347975

素因数分解:

$5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1171}}^1\times {\mathrm{1213}}^1$

素因数の和:2480

約数の個数: 48

約数和(自身を含む): 28228510720

約数和(自身を除く): 8591162745

約数列:

[1, 5, 7, 25, 35, 79, 175, 395, 553, 1171, 1213, 1975, 2765, 5855, 6065, 8197, 8491, 13825, 29275, 30325, 40985, 42455, 92509, 95827, 204925, 212275, 462545, 479135, 647563, 670789, 1420423, 2312725, 2395675, 3237815, 3353945, 7102115, 9942961, 16189075, 16769725, 35510575, 49714805, 112213417, 248574025, 561067085, 785493919, 2805335425, 3927469595, 19637347975]

約数ペア:

[(1, 19637347975), (5, 3927469595), (7, 2805335425), (25, 785493919), (35, 561067085), (79, 248574025), (175, 112213417), (395, 49714805), (553, 35510575), (1171, 16769725), (1213, 16189075), (1975, 9942961), (2765, 7102115), (5855, 3353945), (6065, 3237815), (8197, 2395675), (8491, 2312725), (13825, 1420423), (29275, 670789), (30325, 647563), (40985, 479135), (42455, 462545), (92509, 212275), (95827, 204925)]