1388892988

素因数分解:

$2^2\times 7^1\times {\mathrm{3037}}^1\times {\mathrm{16333}}^1$

素因数の和:19381

約数の個数: 24

約数和(自身を含む): 2778870752

約数和(自身を除く): 1389977764

約数列:

[1, 2, 4, 7, 14, 28, 3037, 6074, 12148, 16333, 21259, 32666, 42518, 65332, 85036, 114331, 228662, 457324, 49603321, 99206642, 198413284, 347223247, 694446494, 1388892988]

約数ペア:

[(1, 1388892988), (2, 694446494), (4, 347223247), (7, 198413284), (14, 99206642), (28, 49603321), (3037, 457324), (6074, 228662), (12148, 114331), (16333, 85036), (21259, 65332), (32666, 42518)]