689915692

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{1889}}^1$

素因数の和:2082

約数の個数: 48

約数和(自身を含む): 1320248160

約数和(自身を除く): 630332468

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 131, 164, 262, 524, 697, 1394, 1889, 2227, 2788, 3778, 4454, 5371, 7556, 8908, 10742, 21484, 32113, 64226, 77449, 91307, 128452, 154898, 182614, 247459, 309796, 365228, 494918, 989836, 1316633, 2633266, 4206803, 5266532, 8413606, 10145819, 16827212, 20291638, 40583276, 172478923, 344957846, 689915692]

約数ペア:

[(1, 689915692), (2, 344957846), (4, 172478923), (17, 40583276), (34, 20291638), (41, 16827212), (68, 10145819), (82, 8413606), (131, 5266532), (164, 4206803), (262, 2633266), (524, 1316633), (697, 989836), (1394, 494918), (1889, 365228), (2227, 309796), (2788, 247459), (3778, 182614), (4454, 154898), (5371, 128452), (7556, 91307), (8908, 77449), (10742, 64226), (21484, 32113)]