189856513

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 254822400

約数和(自身を除く): 64965887

約数列:

[1, 7, 11, 23, 59, 77, 79, 161, 253, 413, 529, 553, 649, 869, 1357, 1771, 1817, 3703, 4543, 4661, 5819, 6083, 9499, 12719, 14927, 19987, 31211, 32627, 40733, 41791, 51271, 104489, 107203, 139909, 218477, 292537, 343321, 358897, 459701, 750421, 1179233, 2403247, 2465669, 3217907, 8254631, 17259683, 27122359, 189856513]

約数ペア:

[(1, 189856513), (7, 27122359), (11, 17259683), (23, 8254631), (59, 3217907), (77, 2465669), (79, 2403247), (161, 1179233), (253, 750421), (413, 459701), (529, 358897), (553, 343321), (649, 292537), (869, 218477), (1357, 139909), (1771, 107203), (1817, 104489), (3703, 51271), (4543, 41791), (4661, 40733), (5819, 32627), (6083, 31211), (9499, 19987), (12719, 14927)]