131457492

素因数分解:

$2^2\times 3^4\times {\mathrm{631}}^1\times {\mathrm{643}}^1$

素因数の和:1290

約数の個数: 60

約数和(自身を含む): 344735776

約数和(自身を除く): 213278284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 631, 643, 1262, 1286, 1893, 1929, 2524, 2572, 3786, 3858, 5679, 5787, 7572, 7716, 11358, 11574, 17037, 17361, 22716, 23148, 34074, 34722, 51111, 52083, 68148, 69444, 102222, 104166, 204444, 208332, 405733, 811466, 1217199, 1622932, 2434398, 3651597, 4868796, 7303194, 10954791, 14606388, 21909582, 32864373, 43819164, 65728746, 131457492]

約数ペア:

[(1, 131457492), (2, 65728746), (3, 43819164), (4, 32864373), (6, 21909582), (9, 14606388), (12, 10954791), (18, 7303194), (27, 4868796), (36, 3651597), (54, 2434398), (81, 1622932), (108, 1217199), (162, 811466), (324, 405733), (631, 208332), (643, 204444), (1262, 104166), (1286, 102222), (1893, 69444), (1929, 68148), (2524, 52083), (2572, 51111), (3786, 34722), (3858, 34074), (5679, 23148), (5787, 22716), (7572, 17361), (7716, 17037), (11358, 11574)]