251011436

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 481689600

約数和(自身を除く): 230678164

約数列:

[1, 2, 4, 13, 26, 52, 127, 191, 199, 254, 382, 398, 508, 764, 796, 1651, 2483, 2587, 3302, 4966, 5174, 6604, 9932, 10348, 24257, 25273, 38009, 48514, 50546, 76018, 97028, 101092, 152036, 315341, 328549, 494117, 630682, 657098, 988234, 1261364, 1314196, 1976468, 4827143, 9654286, 19308572, 62752859, 125505718, 251011436]

約数ペア:

[(1, 251011436), (2, 125505718), (4, 62752859), (13, 19308572), (26, 9654286), (52, 4827143), (127, 1976468), (191, 1314196), (199, 1261364), (254, 988234), (382, 657098), (398, 630682), (508, 494117), (764, 328549), (796, 315341), (1651, 152036), (2483, 101092), (2587, 97028), (3302, 76018), (4966, 50546), (5174, 48514), (6604, 38009), (9932, 25273), (10348, 24257)]