31938990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{563}}^1$

素因数の和:665

約数の個数: 64

約数和(自身を含む): 80566272

約数和(自身を除く): 48627282

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 61, 62, 93, 122, 155, 183, 186, 305, 310, 366, 465, 563, 610, 915, 930, 1126, 1689, 1830, 1891, 2815, 3378, 3782, 5630, 5673, 8445, 9455, 11346, 16890, 17453, 18910, 28365, 34343, 34906, 52359, 56730, 68686, 87265, 103029, 104718, 171715, 174530, 206058, 261795, 343430, 515145, 523590, 1030290, 1064633, 2129266, 3193899, 5323165, 6387798, 10646330, 15969495, 31938990]

約数ペア:

[(1, 31938990), (2, 15969495), (3, 10646330), (5, 6387798), (6, 5323165), (10, 3193899), (15, 2129266), (30, 1064633), (31, 1030290), (61, 523590), (62, 515145), (93, 343430), (122, 261795), (155, 206058), (183, 174530), (186, 171715), (305, 104718), (310, 103029), (366, 87265), (465, 68686), (563, 56730), (610, 52359), (915, 34906), (930, 34343), (1126, 28365), (1689, 18910), (1830, 17453), (1891, 16890), (2815, 11346), (3378, 9455), (3782, 8445), (5630, 5673)]