651171820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1297}}^1\times {\mathrm{1931}}^1$

素因数の和:3250

約数の個数: 48

約数和(自身を含む): 1474548768

約数和(自身を除く): 823376948

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1297, 1931, 2594, 3862, 5188, 6485, 7724, 9655, 12970, 16861, 19310, 25103, 25940, 33722, 38620, 50206, 67444, 84305, 100412, 125515, 168610, 251030, 337220, 502060, 2504507, 5009014, 10018028, 12522535, 25045070, 32558591, 50090140, 65117182, 130234364, 162792955, 325585910, 651171820]

約数ペア:

[(1, 651171820), (2, 325585910), (4, 162792955), (5, 130234364), (10, 65117182), (13, 50090140), (20, 32558591), (26, 25045070), (52, 12522535), (65, 10018028), (130, 5009014), (260, 2504507), (1297, 502060), (1931, 337220), (2594, 251030), (3862, 168610), (5188, 125515), (6485, 100412), (7724, 84305), (9655, 67444), (12970, 50206), (16861, 38620), (19310, 33722), (25103, 25940)]