128512504

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{4007}}^1$

素因数の和:4243

約数の個数: 32

約数和(自身を含む): 254908800

約数和(自身を除く): 126396296

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 211, 422, 844, 1688, 4007, 4009, 8014, 8018, 16028, 16036, 32056, 32072, 76133, 152266, 304532, 609064, 845477, 1690954, 3381908, 6763816, 16064063, 32128126, 64256252, 128512504]

約数ペア:

[(1, 128512504), (2, 64256252), (4, 32128126), (8, 16064063), (19, 6763816), (38, 3381908), (76, 1690954), (152, 845477), (211, 609064), (422, 304532), (844, 152266), (1688, 76133), (4007, 32072), (4009, 32056), (8014, 16036), (8018, 16028)]