788551309

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{2011}}^1$

素因数の和:2201

約数の個数: 32

約数和(自身を含む): 1009541120

約数和(自身を除く): 220989811

約数列:

[1, 7, 13, 31, 91, 139, 217, 403, 973, 1807, 2011, 2821, 4309, 12649, 14077, 26143, 30163, 56017, 62341, 183001, 279529, 392119, 436387, 810433, 1956703, 3633877, 5673031, 8665399, 25437139, 60657793, 112650187, 788551309]

約数ペア:

[(1, 788551309), (7, 112650187), (13, 60657793), (31, 25437139), (91, 8665399), (139, 5673031), (217, 3633877), (403, 1956703), (973, 810433), (1807, 436387), (2011, 392119), (2821, 279529), (4309, 183001), (12649, 62341), (14077, 56017), (26143, 30163)]