1687431356

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{953}}^1\times {\mathrm{2003}}^1$

素因数の和:2990

約数の個数: 48

約数和(自身を含む): 3372443424

約数和(自身を除く): 1685012068

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 953, 1906, 2003, 3812, 4006, 8012, 12389, 16201, 24778, 26039, 32402, 34051, 49556, 52078, 64804, 68102, 104156, 136204, 210613, 421226, 442663, 842452, 885326, 1770652, 1908859, 3817718, 7635436, 24815167, 32450603, 49630334, 64901206, 99260668, 129802412, 421857839, 843715678, 1687431356]

約数ペア:

[(1, 1687431356), (2, 843715678), (4, 421857839), (13, 129802412), (17, 99260668), (26, 64901206), (34, 49630334), (52, 32450603), (68, 24815167), (221, 7635436), (442, 3817718), (884, 1908859), (953, 1770652), (1906, 885326), (2003, 842452), (3812, 442663), (4006, 421226), (8012, 210613), (12389, 136204), (16201, 104156), (24778, 68102), (26039, 64804), (32402, 52078), (34051, 49556)]