321071569208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{653}}^1\times {\mathrm{89203}}^1$

素因数の和:89928

約数の個数: 64

約数和(自身を含む): 661568977440

約数和(自身を除く): 340497408232

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 653, 689, 1306, 1378, 2612, 2756, 5224, 5512, 8489, 16978, 33956, 34609, 67912, 69218, 89203, 138436, 178406, 276872, 356812, 449917, 713624, 899834, 1159639, 1799668, 2319278, 3599336, 4638556, 4727759, 9277112, 9455518, 18911036, 37822072, 58249559, 61460867, 116499118, 122921734, 232998236, 245843468, 465996472, 491686936, 757244267, 1514488534, 3028977068, 3087226627, 6057954136, 6174453254, 12348906508, 24697813016, 40133946151, 80267892302, 160535784604, 321071569208]

約数ペア:

[(1, 321071569208), (2, 160535784604), (4, 80267892302), (8, 40133946151), (13, 24697813016), (26, 12348906508), (52, 6174453254), (53, 6057954136), (104, 3087226627), (106, 3028977068), (212, 1514488534), (424, 757244267), (653, 491686936), (689, 465996472), (1306, 245843468), (1378, 232998236), (2612, 122921734), (2756, 116499118), (5224, 61460867), (5512, 58249559), (8489, 37822072), (16978, 18911036), (33956, 9455518), (34609, 9277112), (67912, 4727759), (69218, 4638556), (89203, 3599336), (138436, 2319278), (178406, 1799668), (276872, 1159639), (356812, 899834), (449917, 713624)]