81776478

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{541}}^1$

素因数の和:673

約数の個数: 64

約数和(自身を含む): 193559040

約数和(自身を除く): 111782562

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 59, 61, 118, 122, 177, 183, 354, 366, 413, 427, 541, 826, 854, 1082, 1239, 1281, 1623, 2478, 2562, 3246, 3599, 3787, 7198, 7574, 10797, 11361, 21594, 22722, 25193, 31919, 33001, 50386, 63838, 66002, 75579, 95757, 99003, 151158, 191514, 198006, 223433, 231007, 446866, 462014, 670299, 693021, 1340598, 1386042, 1947059, 3894118, 5841177, 11682354, 13629413, 27258826, 40888239, 81776478]

約数ペア:

[(1, 81776478), (2, 40888239), (3, 27258826), (6, 13629413), (7, 11682354), (14, 5841177), (21, 3894118), (42, 1947059), (59, 1386042), (61, 1340598), (118, 693021), (122, 670299), (177, 462014), (183, 446866), (354, 231007), (366, 223433), (413, 198006), (427, 191514), (541, 151158), (826, 99003), (854, 95757), (1082, 75579), (1239, 66002), (1281, 63838), (1623, 50386), (2478, 33001), (2562, 31919), (3246, 25193), (3599, 22722), (3787, 21594), (7198, 11361), (7574, 10797)]