173640428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 335042400

約数和(自身を除く): 161401972

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 149, 292, 298, 307, 596, 614, 949, 1228, 1898, 1937, 3796, 3874, 3991, 7748, 7982, 10877, 15964, 21754, 22411, 43508, 44822, 45743, 89644, 91486, 141401, 182972, 282802, 291343, 565604, 582686, 594659, 1165372, 1189318, 2378636, 3339239, 6678478, 13356956, 43410107, 86820214, 173640428]

約数ペア:

[(1, 173640428), (2, 86820214), (4, 43410107), (13, 13356956), (26, 6678478), (52, 3339239), (73, 2378636), (146, 1189318), (149, 1165372), (292, 594659), (298, 582686), (307, 565604), (596, 291343), (614, 282802), (949, 182972), (1228, 141401), (1898, 91486), (1937, 89644), (3796, 45743), (3874, 44822), (3991, 43508), (7748, 22411), (7982, 21754), (10877, 15964)]