238979988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{907}}^1$

素因数の和:1493

約数の個数: 72

約数和(自身を含む): 652430688

約数和(自身を除く): 413450700

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 563, 907, 1126, 1689, 1814, 2252, 2721, 3378, 3628, 5067, 5442, 6756, 7319, 8163, 10134, 10884, 11791, 14638, 16326, 20268, 21957, 23582, 29276, 32652, 35373, 43914, 47164, 65871, 70746, 87828, 106119, 131742, 141492, 212238, 263484, 424476, 510641, 1021282, 1531923, 2042564, 3063846, 4595769, 6127692, 6638333, 9191538, 13276666, 18383076, 19914999, 26553332, 39829998, 59744997, 79659996, 119489994, 238979988]

約数ペア:

[(1, 238979988), (2, 119489994), (3, 79659996), (4, 59744997), (6, 39829998), (9, 26553332), (12, 19914999), (13, 18383076), (18, 13276666), (26, 9191538), (36, 6638333), (39, 6127692), (52, 4595769), (78, 3063846), (117, 2042564), (156, 1531923), (234, 1021282), (468, 510641), (563, 424476), (907, 263484), (1126, 212238), (1689, 141492), (1814, 131742), (2252, 106119), (2721, 87828), (3378, 70746), (3628, 65871), (5067, 47164), (5442, 43914), (6756, 35373), (7319, 32652), (8163, 29276), (10134, 23582), (10884, 21957), (11791, 20268), (14638, 16326)]