128935856

素因数分解:

$2^4\times 7^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:211

約数の個数: 120

約数和(自身を含む): 309154320

約数和(自身を除く): 180218464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 49, 53, 56, 58, 98, 106, 107, 112, 116, 196, 203, 212, 214, 232, 371, 392, 406, 424, 428, 464, 742, 749, 784, 812, 848, 856, 1421, 1484, 1498, 1537, 1624, 1712, 2597, 2842, 2968, 2996, 3074, 3103, 3248, 5194, 5243, 5671, 5684, 5936, 5992, 6148, 6206, 10388, 10486, 10759, 11342, 11368, 11984, 12296, 12412, 20776, 20972, 21518, 21721, 22684, 22736, 24592, 24824, 39697, 41552, 41944, 43036, 43442, 45368, 49648, 75313, 79394, 83888, 86072, 86884, 90736, 150626, 152047, 158788, 164459, 172144, 173768, 277879, 301252, 304094, 317576, 328918, 347536, 555758, 602504, 608188, 635152, 657836, 1111516, 1151213, 1205008, 1216376, 1315672, 2223032, 2302426, 2432752, 2631344, 4446064, 4604852, 8058491, 9209704, 16116982, 18419408, 32233964, 64467928, 128935856]

約数ペア:

[(1, 128935856), (2, 64467928), (4, 32233964), (7, 18419408), (8, 16116982), (14, 9209704), (16, 8058491), (28, 4604852), (29, 4446064), (49, 2631344), (53, 2432752), (56, 2302426), (58, 2223032), (98, 1315672), (106, 1216376), (107, 1205008), (112, 1151213), (116, 1111516), (196, 657836), (203, 635152), (212, 608188), (214, 602504), (232, 555758), (371, 347536), (392, 328918), (406, 317576), (424, 304094), (428, 301252), (464, 277879), (742, 173768), (749, 172144), (784, 164459), (812, 158788), (848, 152047), (856, 150626), (1421, 90736), (1484, 86884), (1498, 86072), (1537, 83888), (1624, 79394), (1712, 75313), (2597, 49648), (2842, 45368), (2968, 43442), (2996, 43036), (3074, 41944), (3103, 41552), (3248, 39697), (5194, 24824), (5243, 24592), (5671, 22736), (5684, 22684), (5936, 21721), (5992, 21518), (6148, 20972), (6206, 20776), (10388, 12412), (10486, 12296), (10759, 11984), (11342, 11368)]