1991188008

素因数分解:

$2^3\times 3^4\times {\mathrm{67}}^1\times {\mathrm{45863}}^1$

素因数の和:45948

約数の個数: 80

約数和(自身を含む): 5660534880

約数和(自身を除く): 3669346872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 67, 72, 81, 108, 134, 162, 201, 216, 268, 324, 402, 536, 603, 648, 804, 1206, 1608, 1809, 2412, 3618, 4824, 5427, 7236, 10854, 14472, 21708, 43416, 45863, 91726, 137589, 183452, 275178, 366904, 412767, 550356, 825534, 1100712, 1238301, 1651068, 2476602, 3072821, 3302136, 3714903, 4953204, 6145642, 7429806, 9218463, 9906408, 12291284, 14859612, 18436926, 24582568, 27655389, 29719224, 36873852, 55310778, 73747704, 82966167, 110621556, 165932334, 221243112, 248898501, 331864668, 497797002, 663729336, 995594004, 1991188008]

約数ペア:

[(1, 1991188008), (2, 995594004), (3, 663729336), (4, 497797002), (6, 331864668), (8, 248898501), (9, 221243112), (12, 165932334), (18, 110621556), (24, 82966167), (27, 73747704), (36, 55310778), (54, 36873852), (67, 29719224), (72, 27655389), (81, 24582568), (108, 18436926), (134, 14859612), (162, 12291284), (201, 9906408), (216, 9218463), (268, 7429806), (324, 6145642), (402, 4953204), (536, 3714903), (603, 3302136), (648, 3072821), (804, 2476602), (1206, 1651068), (1608, 1238301), (1809, 1100712), (2412, 825534), (3618, 550356), (4824, 412767), (5427, 366904), (7236, 275178), (10854, 183452), (14472, 137589), (21708, 91726), (43416, 45863)]