78576784

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{563}}^1$

素因数の和:656

約数の個数: 80

約数和(自身を含む): 182113344

約数和(自身を除く): 103536560

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 61, 88, 104, 122, 143, 176, 208, 244, 286, 488, 563, 572, 671, 793, 976, 1126, 1144, 1342, 1586, 2252, 2288, 2684, 3172, 4504, 5368, 6193, 6344, 7319, 8723, 9008, 10736, 12386, 12688, 14638, 17446, 24772, 29276, 34343, 34892, 49544, 58552, 68686, 69784, 80509, 99088, 117104, 137372, 139568, 161018, 274744, 322036, 377773, 446459, 549488, 644072, 755546, 892918, 1288144, 1511092, 1785836, 3022184, 3571672, 4911049, 6044368, 7143344, 9822098, 19644196, 39288392, 78576784]

約数ペア:

[(1, 78576784), (2, 39288392), (4, 19644196), (8, 9822098), (11, 7143344), (13, 6044368), (16, 4911049), (22, 3571672), (26, 3022184), (44, 1785836), (52, 1511092), (61, 1288144), (88, 892918), (104, 755546), (122, 644072), (143, 549488), (176, 446459), (208, 377773), (244, 322036), (286, 274744), (488, 161018), (563, 139568), (572, 137372), (671, 117104), (793, 99088), (976, 80509), (1126, 69784), (1144, 68686), (1342, 58552), (1586, 49544), (2252, 34892), (2288, 34343), (2684, 29276), (3172, 24772), (4504, 17446), (5368, 14638), (6193, 12688), (6344, 12386), (7319, 10736), (8723, 9008)]