15538816

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 33837480

約数和(自身を除く): 18298664

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 37, 64, 68, 74, 128, 136, 148, 193, 272, 296, 386, 544, 592, 629, 772, 1088, 1184, 1258, 1544, 2176, 2368, 2516, 3088, 3281, 4736, 5032, 6176, 6562, 7141, 10064, 12352, 13124, 14282, 20128, 24704, 26248, 28564, 40256, 52496, 57128, 80512, 104992, 114256, 121397, 209984, 228512, 242794, 419968, 457024, 485588, 914048, 971176, 1942352, 3884704, 7769408, 15538816]

約数ペア:

[(1, 15538816), (2, 7769408), (4, 3884704), (8, 1942352), (16, 971176), (17, 914048), (32, 485588), (34, 457024), (37, 419968), (64, 242794), (68, 228512), (74, 209984), (128, 121397), (136, 114256), (148, 104992), (193, 80512), (272, 57128), (296, 52496), (386, 40256), (544, 28564), (592, 26248), (629, 24704), (772, 20128), (1088, 14282), (1184, 13124), (1258, 12352), (1544, 10064), (2176, 7141), (2368, 6562), (2516, 6176), (3088, 5032), (3281, 4736)]