261036364

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 490533120

約数和(自身を除く): 229496756

約数列:

[1, 2, 4, 19, 38, 76, 131, 157, 167, 262, 314, 334, 524, 628, 668, 2489, 2983, 3173, 4978, 5966, 6346, 9956, 11932, 12692, 20567, 21877, 26219, 41134, 43754, 52438, 82268, 87508, 104876, 390773, 415663, 498161, 781546, 831326, 996322, 1563092, 1662652, 1992644, 3434689, 6869378, 13738756, 65259091, 130518182, 261036364]

約数ペア:

[(1, 261036364), (2, 130518182), (4, 65259091), (19, 13738756), (38, 6869378), (76, 3434689), (131, 1992644), (157, 1662652), (167, 1563092), (262, 996322), (314, 831326), (334, 781546), (524, 498161), (628, 415663), (668, 390773), (2489, 104876), (2983, 87508), (3173, 82268), (4978, 52438), (5966, 43754), (6346, 41134), (9956, 26219), (11932, 21877), (12692, 20567)]