128691472

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^3\times {\mathrm{523}}^1$

素因数の和:577

約数の個数: 80

約数和(自身を含む): 309285760

約数和(自身を除く): 180594288

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 169, 182, 208, 338, 364, 523, 676, 728, 1046, 1183, 1352, 1456, 2092, 2197, 2366, 2704, 3661, 4184, 4394, 4732, 6799, 7322, 8368, 8788, 9464, 13598, 14644, 15379, 17576, 18928, 27196, 29288, 30758, 35152, 47593, 54392, 58576, 61516, 88387, 95186, 108784, 123032, 176774, 190372, 246064, 353548, 380744, 618709, 707096, 761488, 1149031, 1237418, 1414192, 2298062, 2474836, 4596124, 4949672, 8043217, 9192248, 9899344, 16086434, 18384496, 32172868, 64345736, 128691472]

約数ペア:

[(1, 128691472), (2, 64345736), (4, 32172868), (7, 18384496), (8, 16086434), (13, 9899344), (14, 9192248), (16, 8043217), (26, 4949672), (28, 4596124), (52, 2474836), (56, 2298062), (91, 1414192), (104, 1237418), (112, 1149031), (169, 761488), (182, 707096), (208, 618709), (338, 380744), (364, 353548), (523, 246064), (676, 190372), (728, 176774), (1046, 123032), (1183, 108784), (1352, 95186), (1456, 88387), (2092, 61516), (2197, 58576), (2366, 54392), (2704, 47593), (3661, 35152), (4184, 30758), (4394, 29288), (4732, 27196), (6799, 18928), (7322, 17576), (8368, 15379), (8788, 14644), (9464, 13598)]