15640828

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 33062400

約数和(自身を除く): 17421572

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 149, 161, 163, 298, 322, 326, 596, 644, 652, 1043, 1141, 2086, 2282, 3427, 3749, 4172, 4564, 6854, 7498, 13708, 14996, 23989, 24287, 26243, 47978, 48574, 52486, 95956, 97148, 104972, 170009, 340018, 558601, 680036, 1117202, 2234404, 3910207, 7820414, 15640828]

約数ペア:

[(1, 15640828), (2, 7820414), (4, 3910207), (7, 2234404), (14, 1117202), (23, 680036), (28, 558601), (46, 340018), (92, 170009), (149, 104972), (161, 97148), (163, 95956), (298, 52486), (322, 48574), (326, 47978), (596, 26243), (644, 24287), (652, 23989), (1043, 14996), (1141, 13708), (2086, 7498), (2282, 6854), (3427, 4564), (3749, 4172)]