78904735

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^2$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 124625088

約数和(自身を除く): 45720353

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 101, 119, 221, 455, 505, 595, 707, 1105, 1313, 1547, 1717, 3535, 6565, 7735, 8585, 9191, 10201, 12019, 22321, 45955, 51005, 60095, 71407, 111605, 132613, 156247, 173417, 357035, 663065, 781235, 867085, 928291, 1213919, 2254421, 4641455, 6069595, 11272105, 15780947, 78904735]

約数ペア:

[(1, 78904735), (5, 15780947), (7, 11272105), (13, 6069595), (17, 4641455), (35, 2254421), (65, 1213919), (85, 928291), (91, 867085), (101, 781235), (119, 663065), (221, 357035), (455, 173417), (505, 156247), (595, 132613), (707, 111605), (1105, 71407), (1313, 60095), (1547, 51005), (1717, 45955), (3535, 22321), (6565, 12019), (7735, 10201), (8585, 9191)]