2213728

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:371

約数の個数: 48

約数和(自身を含む): 5019840

約数和(自身を除く): 2806112

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 76, 88, 152, 176, 209, 304, 331, 352, 418, 608, 662, 836, 1324, 1672, 2648, 3344, 3641, 5296, 6289, 6688, 7282, 10592, 12578, 14564, 25156, 29128, 50312, 58256, 69179, 100624, 116512, 138358, 201248, 276716, 553432, 1106864, 2213728]

約数ペア:

[(1, 2213728), (2, 1106864), (4, 553432), (8, 276716), (11, 201248), (16, 138358), (19, 116512), (22, 100624), (32, 69179), (38, 58256), (44, 50312), (76, 29128), (88, 25156), (152, 14564), (176, 12578), (209, 10592), (304, 7282), (331, 6688), (352, 6289), (418, 5296), (608, 3641), (662, 3344), (836, 2648), (1324, 1672)]