991448785

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1\times {\mathrm{953}}^1$

素因数の和:1257

約数の個数: 32

約数和(自身を含む): 1285839360

約数和(自身を除く): 294390575

約数列:

[1, 5, 19, 47, 95, 233, 235, 893, 953, 1165, 4427, 4465, 4765, 10951, 18107, 22135, 44791, 54755, 90535, 208069, 222049, 223955, 851029, 1040345, 1110245, 4218931, 4255145, 10436303, 21094655, 52181515, 198289757, 991448785]

約数ペア:

[(1, 991448785), (5, 198289757), (19, 52181515), (47, 21094655), (95, 10436303), (233, 4255145), (235, 4218931), (893, 1110245), (953, 1040345), (1165, 851029), (4427, 223955), (4465, 222049), (4765, 208069), (10951, 90535), (18107, 54755), (22135, 44791)]