215510416

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{26053}}^1$

素因数の和:26119

約数の個数: 40

約数和(自身を含む): 465220224

約数和(自身を除く): 249709808

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 47, 88, 94, 176, 188, 376, 517, 752, 1034, 2068, 4136, 8272, 26053, 52106, 104212, 208424, 286583, 416848, 573166, 1146332, 1224491, 2292664, 2448982, 4585328, 4897964, 9795928, 13469401, 19591856, 26938802, 53877604, 107755208, 215510416]

約数ペア:

[(1, 215510416), (2, 107755208), (4, 53877604), (8, 26938802), (11, 19591856), (16, 13469401), (22, 9795928), (44, 4897964), (47, 4585328), (88, 2448982), (94, 2292664), (176, 1224491), (188, 1146332), (376, 573166), (517, 416848), (752, 286583), (1034, 208424), (2068, 104212), (4136, 52106), (8272, 26053)]