198281968

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{251}}^1\times {\mathrm{509}}^1$

素因数の和:865

約数の個数: 40

約数和(自身を含む): 390443760

約数和(自身を除く): 192161792

約数列:

[1, 2, 4, 8, 16, 97, 194, 251, 388, 502, 509, 776, 1004, 1018, 1552, 2008, 2036, 4016, 4072, 8144, 24347, 48694, 49373, 97388, 98746, 127759, 194776, 197492, 255518, 389552, 394984, 511036, 789968, 1022072, 2044144, 12392623, 24785246, 49570492, 99140984, 198281968]

約数ペア:

[(1, 198281968), (2, 99140984), (4, 49570492), (8, 24785246), (16, 12392623), (97, 2044144), (194, 1022072), (251, 789968), (388, 511036), (502, 394984), (509, 389552), (776, 255518), (1004, 197492), (1018, 194776), (1552, 127759), (2008, 98746), (2036, 97388), (4016, 49373), (4072, 48694), (8144, 24347)]