90105678

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{22651}}^1$

素因数の和:22689

約数の個数: 48

約数和(自身を含む): 222623856

約数和(自身を除く): 132518178

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 22651, 45302, 67953, 135906, 203859, 294463, 385067, 407718, 588926, 770134, 883389, 1155201, 1766778, 2310402, 2650167, 3465603, 5005871, 5300334, 6931206, 10011742, 15017613, 30035226, 45052839, 90105678]

約数ペア:

[(1, 90105678), (2, 45052839), (3, 30035226), (6, 15017613), (9, 10011742), (13, 6931206), (17, 5300334), (18, 5005871), (26, 3465603), (34, 2650167), (39, 2310402), (51, 1766778), (78, 1155201), (102, 883389), (117, 770134), (153, 588926), (221, 407718), (234, 385067), (306, 294463), (442, 203859), (663, 135906), (1326, 67953), (1989, 45302), (3978, 22651)]