71243425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 101850624

約数和(自身を除く): 30607199

約数列:

[1, 5, 11, 25, 31, 55, 61, 137, 155, 275, 305, 341, 671, 685, 775, 1507, 1525, 1705, 1891, 3355, 3425, 4247, 7535, 8357, 8525, 9455, 16775, 20801, 21235, 37675, 41785, 46717, 47275, 91927, 104005, 106175, 208925, 233585, 259067, 459635, 520025, 1167925, 1295335, 2298175, 2849737, 6476675, 14248685, 71243425]

約数ペア:

[(1, 71243425), (5, 14248685), (11, 6476675), (25, 2849737), (31, 2298175), (55, 1295335), (61, 1167925), (137, 520025), (155, 459635), (275, 259067), (305, 233585), (341, 208925), (671, 106175), (685, 104005), (775, 91927), (1507, 47275), (1525, 46717), (1705, 41785), (1891, 37675), (3355, 21235), (3425, 20801), (4247, 16775), (7535, 9455), (8357, 8525)]