1816205104

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{2531}}^1$

素因数の和:2738

約数の個数: 80

約数和(自身を含む): 4144377600

約数和(自身を除く): 2328172496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 149, 172, 298, 301, 344, 596, 602, 688, 1043, 1192, 1204, 2086, 2384, 2408, 2531, 4172, 4816, 5062, 6407, 8344, 10124, 12814, 16688, 17717, 20248, 25628, 35434, 40496, 44849, 51256, 70868, 89698, 102512, 108833, 141736, 179396, 217666, 283472, 358792, 377119, 435332, 717584, 754238, 761831, 870664, 1508476, 1523662, 1741328, 2639833, 3016952, 3047324, 5279666, 6033904, 6094648, 10559332, 12189296, 16216117, 21118664, 32432234, 42237328, 64864468, 113512819, 129728936, 227025638, 259457872, 454051276, 908102552, 1816205104]

約数ペア:

[(1, 1816205104), (2, 908102552), (4, 454051276), (7, 259457872), (8, 227025638), (14, 129728936), (16, 113512819), (28, 64864468), (43, 42237328), (56, 32432234), (86, 21118664), (112, 16216117), (149, 12189296), (172, 10559332), (298, 6094648), (301, 6033904), (344, 5279666), (596, 3047324), (602, 3016952), (688, 2639833), (1043, 1741328), (1192, 1523662), (1204, 1508476), (2086, 870664), (2384, 761831), (2408, 754238), (2531, 717584), (4172, 435332), (4816, 377119), (5062, 358792), (6407, 283472), (8344, 217666), (10124, 179396), (12814, 141736), (16688, 108833), (17717, 102512), (20248, 89698), (25628, 70868), (35434, 51256), (40496, 44849)]