201319228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{659}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 395176320

約数和(自身を除く): 193857092

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 131, 212, 262, 524, 583, 659, 1166, 1318, 1441, 2332, 2636, 2882, 5764, 6943, 7249, 13886, 14498, 27772, 28996, 34927, 69854, 76373, 86329, 139708, 152746, 172658, 305492, 345316, 384197, 768394, 949619, 1536788, 1899238, 3798476, 4575437, 9150874, 18301748, 50329807, 100659614, 201319228]

約数ペア:

[(1, 201319228), (2, 100659614), (4, 50329807), (11, 18301748), (22, 9150874), (44, 4575437), (53, 3798476), (106, 1899238), (131, 1536788), (212, 949619), (262, 768394), (524, 384197), (583, 345316), (659, 305492), (1166, 172658), (1318, 152746), (1441, 139708), (2332, 86329), (2636, 76373), (2882, 69854), (5764, 34927), (6943, 28996), (7249, 27772), (13886, 14498)]