128778944

素因数分解:

$2^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{457}}^1$

素因数の和:530

約数の個数: 112

約数和(自身を含む): 318284352

約数和(自身を除く): 189505408

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 37, 56, 64, 68, 74, 112, 119, 136, 148, 224, 238, 259, 272, 296, 448, 457, 476, 518, 544, 592, 629, 914, 952, 1036, 1088, 1184, 1258, 1828, 1904, 2072, 2368, 2516, 3199, 3656, 3808, 4144, 4403, 5032, 6398, 7312, 7616, 7769, 8288, 8806, 10064, 12796, 14624, 15538, 16576, 16909, 17612, 20128, 25592, 29248, 31076, 33818, 35224, 40256, 51184, 54383, 62152, 67636, 70448, 102368, 108766, 118363, 124304, 135272, 140896, 204736, 217532, 236726, 248608, 270544, 281792, 287453, 435064, 473452, 497216, 541088, 574906, 870128, 946904, 1082176, 1149812, 1740256, 1893808, 2012171, 2299624, 3480512, 3787616, 4024342, 4599248, 7575232, 8048684, 9198496, 16097368, 18396992, 32194736, 64389472, 128778944]

約数ペア:

[(1, 128778944), (2, 64389472), (4, 32194736), (7, 18396992), (8, 16097368), (14, 9198496), (16, 8048684), (17, 7575232), (28, 4599248), (32, 4024342), (34, 3787616), (37, 3480512), (56, 2299624), (64, 2012171), (68, 1893808), (74, 1740256), (112, 1149812), (119, 1082176), (136, 946904), (148, 870128), (224, 574906), (238, 541088), (259, 497216), (272, 473452), (296, 435064), (448, 287453), (457, 281792), (476, 270544), (518, 248608), (544, 236726), (592, 217532), (629, 204736), (914, 140896), (952, 135272), (1036, 124304), (1088, 118363), (1184, 108766), (1258, 102368), (1828, 70448), (1904, 67636), (2072, 62152), (2368, 54383), (2516, 51184), (3199, 40256), (3656, 35224), (3808, 33818), (4144, 31076), (4403, 29248), (5032, 25592), (6398, 20128), (7312, 17612), (7616, 16909), (7769, 16576), (8288, 15538), (8806, 14624), (10064, 12796)]