781377621248

素因数分解:

$2^8\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1824421}}^1$

素因数の和:1824683

約数の個数: 72

約数和(自身を含む): 1789976912640

約数和(自身を除く): 1008599291392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 239, 256, 448, 478, 896, 956, 1673, 1792, 1912, 3346, 3824, 6692, 7648, 13384, 15296, 26768, 30592, 53536, 61184, 107072, 214144, 428288, 1824421, 3648842, 7297684, 12770947, 14595368, 25541894, 29190736, 51083788, 58381472, 102167576, 116762944, 204335152, 233525888, 408670304, 436036619, 467051776, 817340608, 872073238, 1634681216, 1744146476, 3052256333, 3269362432, 3488292952, 6104512666, 6976585904, 12209025332, 13953171808, 24418050664, 27906343616, 48836101328, 55812687232, 97672202656, 111625374464, 195344405312, 390688810624, 781377621248]

約数ペア:

[(1, 781377621248), (2, 390688810624), (4, 195344405312), (7, 111625374464), (8, 97672202656), (14, 55812687232), (16, 48836101328), (28, 27906343616), (32, 24418050664), (56, 13953171808), (64, 12209025332), (112, 6976585904), (128, 6104512666), (224, 3488292952), (239, 3269362432), (256, 3052256333), (448, 1744146476), (478, 1634681216), (896, 872073238), (956, 817340608), (1673, 467051776), (1792, 436036619), (1912, 408670304), (3346, 233525888), (3824, 204335152), (6692, 116762944), (7648, 102167576), (13384, 58381472), (15296, 51083788), (26768, 29190736), (30592, 25541894), (53536, 14595368), (61184, 12770947), (107072, 7297684), (214144, 3648842), (428288, 1824421)]