7978308

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 20227200

約数和(自身を除く): 12248892

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 199, 257, 398, 514, 597, 771, 796, 1028, 1194, 1542, 2388, 2587, 3084, 3341, 5174, 6682, 7761, 10023, 10348, 13364, 15522, 20046, 31044, 40092, 51143, 102286, 153429, 204572, 306858, 613716, 664859, 1329718, 1994577, 2659436, 3989154, 7978308]

約数ペア:

[(1, 7978308), (2, 3989154), (3, 2659436), (4, 1994577), (6, 1329718), (12, 664859), (13, 613716), (26, 306858), (39, 204572), (52, 153429), (78, 102286), (156, 51143), (199, 40092), (257, 31044), (398, 20046), (514, 15522), (597, 13364), (771, 10348), (796, 10023), (1028, 7761), (1194, 6682), (1542, 5174), (2388, 3341), (2587, 3084)]