213345376

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{20641}}^1$

素因数の和:20687

約数の個数: 48

約数和(自身を含む): 468160560

約数和(自身を除く): 254815184

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 68, 76, 136, 152, 272, 304, 323, 544, 608, 646, 1292, 2584, 5168, 10336, 20641, 41282, 82564, 165128, 330256, 350897, 392179, 660512, 701794, 784358, 1403588, 1568716, 2807176, 3137432, 5614352, 6274864, 6667043, 11228704, 12549728, 13334086, 26668172, 53336344, 106672688, 213345376]

約数ペア:

[(1, 213345376), (2, 106672688), (4, 53336344), (8, 26668172), (16, 13334086), (17, 12549728), (19, 11228704), (32, 6667043), (34, 6274864), (38, 5614352), (68, 3137432), (76, 2807176), (136, 1568716), (152, 1403588), (272, 784358), (304, 701794), (323, 660512), (544, 392179), (608, 350897), (646, 330256), (1292, 165128), (2584, 82564), (5168, 41282), (10336, 20641)]