1649609936

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{81761}}^1$

素因数の和:81879

約数の個数: 40

約数和(自身を含む): 3477501384

約数和(自身を除く): 1827891448

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 97, 104, 194, 208, 388, 776, 1261, 1552, 2522, 5044, 10088, 20176, 81761, 163522, 327044, 654088, 1062893, 1308176, 2125786, 4251572, 7930817, 8503144, 15861634, 17006288, 31723268, 63446536, 103100621, 126893072, 206201242, 412402484, 824804968, 1649609936]

約数ペア:

[(1, 1649609936), (2, 824804968), (4, 412402484), (8, 206201242), (13, 126893072), (16, 103100621), (26, 63446536), (52, 31723268), (97, 17006288), (104, 15861634), (194, 8503144), (208, 7930817), (388, 4251572), (776, 2125786), (1261, 1308176), (1552, 1062893), (2522, 654088), (5044, 327044), (10088, 163522), (20176, 81761)]