31320392

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{41}}^2\times {\mathrm{137}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 64198980

約数和(自身を除く): 32878588

約数列:

[1, 2, 4, 8, 17, 34, 41, 68, 82, 136, 137, 164, 274, 328, 548, 697, 1096, 1394, 1681, 2329, 2788, 3362, 4658, 5576, 5617, 6724, 9316, 11234, 13448, 18632, 22468, 28577, 44936, 57154, 95489, 114308, 190978, 228616, 230297, 381956, 460594, 763912, 921188, 1842376, 3915049, 7830098, 15660196, 31320392]

約数ペア:

[(1, 31320392), (2, 15660196), (4, 7830098), (8, 3915049), (17, 1842376), (34, 921188), (41, 763912), (68, 460594), (82, 381956), (136, 230297), (137, 228616), (164, 190978), (274, 114308), (328, 95489), (548, 57154), (697, 44936), (1096, 28577), (1394, 22468), (1681, 18632), (2329, 13448), (2788, 11234), (3362, 9316), (4658, 6724), (5576, 5617)]