256939923344

素因数分解:

$2^4\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{235787}}^1$

素因数の和:235865

約数の個数: 80

約数和(自身を含む): 556686036480

約数和(自身を除く): 299746113136

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 169, 208, 248, 338, 403, 496, 676, 806, 1352, 1612, 2197, 2704, 3224, 4394, 5239, 6448, 8788, 10478, 17576, 20956, 35152, 41912, 68107, 83824, 136214, 235787, 272428, 471574, 544856, 943148, 1089712, 1886296, 3065231, 3772592, 6130462, 7309397, 12260924, 14618794, 24521848, 29237588, 39848003, 49043696, 58475176, 79696006, 95022161, 116950352, 159392012, 190044322, 318784024, 380088644, 518024039, 637568048, 760177288, 1036048078, 1235288093, 1520354576, 2072096156, 2470576186, 4144192312, 4941152372, 8288384624, 9882304744, 16058745209, 19764609488, 32117490418, 64234980836, 128469961672, 256939923344]

約数ペア:

[(1, 256939923344), (2, 128469961672), (4, 64234980836), (8, 32117490418), (13, 19764609488), (16, 16058745209), (26, 9882304744), (31, 8288384624), (52, 4941152372), (62, 4144192312), (104, 2470576186), (124, 2072096156), (169, 1520354576), (208, 1235288093), (248, 1036048078), (338, 760177288), (403, 637568048), (496, 518024039), (676, 380088644), (806, 318784024), (1352, 190044322), (1612, 159392012), (2197, 116950352), (2704, 95022161), (3224, 79696006), (4394, 58475176), (5239, 49043696), (6448, 39848003), (8788, 29237588), (10478, 24521848), (17576, 14618794), (20956, 12260924), (35152, 7309397), (41912, 6130462), (68107, 3772592), (83824, 3065231), (136214, 1886296), (235787, 1089712), (272428, 943148), (471574, 544856)]