1321385216

素因数分解:

$2^8\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{419}}^1$

素因数の和:659

約数の個数: 72

約数和(自身を含む): 2692193280

約数和(自身を除く): 1370808064

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 127, 128, 194, 254, 256, 388, 419, 508, 776, 838, 1016, 1552, 1676, 2032, 3104, 3352, 4064, 6208, 6704, 8128, 12319, 12416, 13408, 16256, 24638, 24832, 26816, 32512, 40643, 49276, 53213, 53632, 81286, 98552, 106426, 107264, 162572, 197104, 212852, 325144, 394208, 425704, 650288, 788416, 851408, 1300576, 1576832, 1702816, 2601152, 3153664, 3405632, 5161661, 5202304, 6811264, 10323322, 10404608, 13622528, 20646644, 41293288, 82586576, 165173152, 330346304, 660692608, 1321385216]

約数ペア:

[(1, 1321385216), (2, 660692608), (4, 330346304), (8, 165173152), (16, 82586576), (32, 41293288), (64, 20646644), (97, 13622528), (127, 10404608), (128, 10323322), (194, 6811264), (254, 5202304), (256, 5161661), (388, 3405632), (419, 3153664), (508, 2601152), (776, 1702816), (838, 1576832), (1016, 1300576), (1552, 851408), (1676, 788416), (2032, 650288), (3104, 425704), (3352, 394208), (4064, 325144), (6208, 212852), (6704, 197104), (8128, 162572), (12319, 107264), (12416, 106426), (13408, 98552), (16256, 81286), (24638, 53632), (24832, 53213), (26816, 49276), (32512, 40643)]