78891904

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^2\times {\mathrm{521}}^1$

素因数の和:568

約数の個数: 96

約数和(自身を含む): 194873040

約数和(自身を除く): 115981136

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 169, 182, 208, 224, 338, 364, 416, 448, 521, 676, 728, 832, 896, 1042, 1183, 1352, 1456, 1664, 2084, 2366, 2704, 2912, 3647, 4168, 4732, 5408, 5824, 6773, 7294, 8336, 9464, 10816, 11648, 13546, 14588, 16672, 18928, 21632, 27092, 29176, 33344, 37856, 47411, 54184, 58352, 66688, 75712, 88049, 94822, 108368, 116704, 151424, 176098, 189644, 216736, 233408, 352196, 379288, 433472, 466816, 616343, 704392, 758576, 866944, 1232686, 1408784, 1517152, 2465372, 2817568, 3034304, 4930744, 5635136, 6068608, 9861488, 11270272, 19722976, 39445952, 78891904]

約数ペア:

[(1, 78891904), (2, 39445952), (4, 19722976), (7, 11270272), (8, 9861488), (13, 6068608), (14, 5635136), (16, 4930744), (26, 3034304), (28, 2817568), (32, 2465372), (52, 1517152), (56, 1408784), (64, 1232686), (91, 866944), (104, 758576), (112, 704392), (128, 616343), (169, 466816), (182, 433472), (208, 379288), (224, 352196), (338, 233408), (364, 216736), (416, 189644), (448, 176098), (521, 151424), (676, 116704), (728, 108368), (832, 94822), (896, 88049), (1042, 75712), (1183, 66688), (1352, 58352), (1456, 54184), (1664, 47411), (2084, 37856), (2366, 33344), (2704, 29176), (2912, 27092), (3647, 21632), (4168, 18928), (4732, 16672), (5408, 14588), (5824, 13546), (6773, 11648), (7294, 10816), (8336, 9464)]