128697678

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:318

約数の個数: 96

約数和(自身を含む): 309504000

約数和(自身を除く): 180806322

約数列:

[1, 2, 3, 6, 9, 18, 19, 31, 38, 57, 61, 62, 93, 114, 122, 171, 183, 186, 199, 279, 342, 366, 398, 549, 558, 589, 597, 1098, 1159, 1178, 1194, 1767, 1791, 1891, 2318, 3477, 3534, 3582, 3781, 3782, 5301, 5673, 6169, 6954, 7562, 10431, 10602, 11343, 11346, 12139, 12338, 17019, 18507, 20862, 22686, 24278, 34029, 34038, 35929, 36417, 37014, 55521, 68058, 71858, 72834, 107787, 109251, 111042, 117211, 215574, 218502, 230641, 234422, 323361, 351633, 376309, 461282, 646722, 691923, 703266, 752618, 1054899, 1128927, 1383846, 2075769, 2109798, 2257854, 3386781, 4151538, 6773562, 7149871, 14299742, 21449613, 42899226, 64348839, 128697678]

約数ペア:

[(1, 128697678), (2, 64348839), (3, 42899226), (6, 21449613), (9, 14299742), (18, 7149871), (19, 6773562), (31, 4151538), (38, 3386781), (57, 2257854), (61, 2109798), (62, 2075769), (93, 1383846), (114, 1128927), (122, 1054899), (171, 752618), (183, 703266), (186, 691923), (199, 646722), (279, 461282), (342, 376309), (366, 351633), (398, 323361), (549, 234422), (558, 230641), (589, 218502), (597, 215574), (1098, 117211), (1159, 111042), (1178, 109251), (1194, 107787), (1767, 72834), (1791, 71858), (1891, 68058), (2318, 55521), (3477, 37014), (3534, 36417), (3582, 35929), (3781, 34038), (3782, 34029), (5301, 24278), (5673, 22686), (6169, 20862), (6954, 18507), (7562, 17019), (10431, 12338), (10602, 12139), (11343, 11346)]