642308984

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{11329}}^1$

素因数の和:11727

約数の個数: 32

約数和(自身を含む): 1271226000

約数和(自身を除く): 628917016

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 373, 746, 1492, 2984, 7087, 11329, 14174, 22658, 28348, 45316, 56696, 90632, 215251, 430502, 861004, 1722008, 4225717, 8451434, 16902868, 33805736, 80288623, 160577246, 321154492, 642308984]

約数ペア:

[(1, 642308984), (2, 321154492), (4, 160577246), (8, 80288623), (19, 33805736), (38, 16902868), (76, 8451434), (152, 4225717), (373, 1722008), (746, 861004), (1492, 430502), (2984, 215251), (7087, 90632), (11329, 56696), (14174, 45316), (22658, 28348)]