221992089136

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{885023}}^1$

素因数の和:885349

約数の個数: 40

約数和(自身を含む): 438862161024

約数和(自身を除く): 216870071888

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 257, 488, 514, 976, 1028, 2056, 4112, 15677, 31354, 62708, 125416, 250832, 885023, 1770046, 3540092, 7080184, 14160368, 53986403, 107972806, 215945612, 227450911, 431891224, 454901822, 863782448, 909803644, 1819607288, 3639214576, 13874505571, 27749011142, 55498022284, 110996044568, 221992089136]

約数ペア:

[(1, 221992089136), (2, 110996044568), (4, 55498022284), (8, 27749011142), (16, 13874505571), (61, 3639214576), (122, 1819607288), (244, 909803644), (257, 863782448), (488, 454901822), (514, 431891224), (976, 227450911), (1028, 215945612), (2056, 107972806), (4112, 53986403), (15677, 14160368), (31354, 7080184), (62708, 3540092), (125416, 1770046), (250832, 885023)]