258296402

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2693}}^1$

素因数の和:2763

約数の個数: 64

約数和(自身を含む): 521385984

約数和(自身を除く): 263089582

約数列:

[1, 2, 7, 13, 14, 17, 26, 31, 34, 62, 91, 119, 182, 217, 221, 238, 403, 434, 442, 527, 806, 1054, 1547, 2693, 2821, 3094, 3689, 5386, 5642, 6851, 7378, 13702, 18851, 35009, 37702, 45781, 47957, 70018, 83483, 91562, 95914, 166966, 245063, 320467, 490126, 584381, 595153, 640934, 1085279, 1168762, 1190306, 1419211, 2170558, 2838422, 4166071, 7596953, 8332142, 9934477, 15193906, 18449743, 19868954, 36899486, 129148201, 258296402]

約数ペア:

[(1, 258296402), (2, 129148201), (7, 36899486), (13, 19868954), (14, 18449743), (17, 15193906), (26, 9934477), (31, 8332142), (34, 7596953), (62, 4166071), (91, 2838422), (119, 2170558), (182, 1419211), (217, 1190306), (221, 1168762), (238, 1085279), (403, 640934), (434, 595153), (442, 584381), (527, 490126), (806, 320467), (1054, 245063), (1547, 166966), (2693, 95914), (2821, 91562), (3094, 83483), (3689, 70018), (5386, 47957), (5642, 45781), (6851, 37702), (7378, 35009), (13702, 18851)]