256595508

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{3631}}^1$

素因数の和:3805

約数の個数: 72

約数和(自身を含む): 703329536

約数和(自身を除く): 446734028

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 151, 156, 234, 302, 453, 468, 604, 906, 1359, 1812, 1963, 2718, 3631, 3926, 5436, 5889, 7262, 7852, 10893, 11778, 14524, 17667, 21786, 23556, 32679, 35334, 43572, 47203, 65358, 70668, 94406, 130716, 141609, 188812, 283218, 424827, 548281, 566436, 849654, 1096562, 1644843, 1699308, 2193124, 3289686, 4934529, 6579372, 7127653, 9869058, 14255306, 19738116, 21382959, 28510612, 42765918, 64148877, 85531836, 128297754, 256595508]

約数ペア:

[(1, 256595508), (2, 128297754), (3, 85531836), (4, 64148877), (6, 42765918), (9, 28510612), (12, 21382959), (13, 19738116), (18, 14255306), (26, 9869058), (36, 7127653), (39, 6579372), (52, 4934529), (78, 3289686), (117, 2193124), (151, 1699308), (156, 1644843), (234, 1096562), (302, 849654), (453, 566436), (468, 548281), (604, 424827), (906, 283218), (1359, 188812), (1812, 141609), (1963, 130716), (2718, 94406), (3631, 70668), (3926, 65358), (5436, 47203), (5889, 43572), (7262, 35334), (7852, 32679), (10893, 23556), (11778, 21786), (14524, 17667)]