161215666444

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{657347}}^1$

素因数の和:657838

約数の個数: 48

約数和(自身を含む): 340138149120

約数和(自身を除く): 178922482676

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 461, 532, 922, 1844, 3227, 6454, 8759, 12908, 17518, 35036, 61313, 122626, 245252, 657347, 1314694, 2629388, 4601429, 9202858, 12489593, 18405716, 24979186, 49958372, 87427151, 174854302, 303036967, 349708604, 606073934, 1212147868, 2121258769, 4242517538, 5757702373, 8485035076, 11515404746, 23030809492, 40303916611, 80607833222, 161215666444]

約数ペア:

[(1, 161215666444), (2, 80607833222), (4, 40303916611), (7, 23030809492), (14, 11515404746), (19, 8485035076), (28, 5757702373), (38, 4242517538), (76, 2121258769), (133, 1212147868), (266, 606073934), (461, 349708604), (532, 303036967), (922, 174854302), (1844, 87427151), (3227, 49958372), (6454, 24979186), (8759, 18405716), (12908, 12489593), (17518, 9202858), (35036, 4601429), (61313, 2629388), (122626, 1314694), (245252, 657347)]