215533252

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{613}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 422097984

約数和(自身を除く): 206564732

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 131, 244, 262, 524, 613, 671, 1226, 1342, 1441, 2452, 2684, 2882, 5764, 6743, 7991, 13486, 15982, 26972, 31964, 37393, 74786, 80303, 87901, 149572, 160606, 175802, 321212, 351604, 411323, 822646, 883333, 1645292, 1766666, 3533332, 4898483, 9796966, 19593932, 53883313, 107766626, 215533252]

約数ペア:

[(1, 215533252), (2, 107766626), (4, 53883313), (11, 19593932), (22, 9796966), (44, 4898483), (61, 3533332), (122, 1766666), (131, 1645292), (244, 883333), (262, 822646), (524, 411323), (613, 351604), (671, 321212), (1226, 175802), (1342, 160606), (1441, 149572), (2452, 87901), (2684, 80303), (2882, 74786), (5764, 37393), (6743, 31964), (7991, 26972), (13486, 15982)]