637124656

素因数分解:

$2^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:531

約数の個数: 120

約数和(自身を含む): 1519054560

約数和(自身を除く): 881929904

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 49, 56, 89, 92, 98, 112, 161, 178, 184, 196, 322, 356, 368, 392, 397, 623, 644, 712, 784, 794, 1127, 1246, 1288, 1424, 1588, 2047, 2254, 2492, 2576, 2779, 3176, 4094, 4361, 4508, 4984, 5558, 6352, 8188, 8722, 9016, 9131, 9968, 11116, 14329, 16376, 17444, 18032, 18262, 19453, 22232, 28658, 32752, 34888, 35333, 36524, 38906, 44464, 57316, 63917, 69776, 70666, 73048, 77812, 100303, 114632, 127834, 141332, 146096, 155624, 200606, 229264, 247331, 255668, 282664, 311248, 401212, 447419, 494662, 511336, 565328, 802424, 812659, 894838, 989324, 1022672, 1604848, 1625318, 1731317, 1789676, 1978648, 3250636, 3462634, 3579352, 3957296, 5688613, 6501272, 6925268, 7158704, 11377226, 13002544, 13850536, 22754452, 27701072, 39820291, 45508904, 79640582, 91017808, 159281164, 318562328, 637124656]

約数ペア:

[(1, 637124656), (2, 318562328), (4, 159281164), (7, 91017808), (8, 79640582), (14, 45508904), (16, 39820291), (23, 27701072), (28, 22754452), (46, 13850536), (49, 13002544), (56, 11377226), (89, 7158704), (92, 6925268), (98, 6501272), (112, 5688613), (161, 3957296), (178, 3579352), (184, 3462634), (196, 3250636), (322, 1978648), (356, 1789676), (368, 1731317), (392, 1625318), (397, 1604848), (623, 1022672), (644, 989324), (712, 894838), (784, 812659), (794, 802424), (1127, 565328), (1246, 511336), (1288, 494662), (1424, 447419), (1588, 401212), (2047, 311248), (2254, 282664), (2492, 255668), (2576, 247331), (2779, 229264), (3176, 200606), (4094, 155624), (4361, 146096), (4508, 141332), (4984, 127834), (5558, 114632), (6352, 100303), (8188, 77812), (8722, 73048), (9016, 70666), (9131, 69776), (9968, 63917), (11116, 57316), (14329, 44464), (16376, 38906), (17444, 36524), (18032, 35333), (18262, 34888), (19453, 32752), (22232, 28658)]