128753968

素因数分解:

$2^4\times 7^3\times {\mathrm{29}}^1\times {\mathrm{809}}^1$

素因数の和:867

約数の個数: 80

約数和(自身を含む): 301320000

約数和(自身を除く): 172566032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 49, 56, 58, 98, 112, 116, 196, 203, 232, 343, 392, 406, 464, 686, 784, 809, 812, 1372, 1421, 1618, 1624, 2744, 2842, 3236, 3248, 5488, 5663, 5684, 6472, 9947, 11326, 11368, 12944, 19894, 22652, 22736, 23461, 39641, 39788, 45304, 46922, 79282, 79576, 90608, 93844, 158564, 159152, 164227, 187688, 277487, 317128, 328454, 375376, 554974, 634256, 656908, 1109948, 1149589, 1313816, 2219896, 2299178, 2627632, 4439792, 4598356, 8047123, 9196712, 16094246, 18393424, 32188492, 64376984, 128753968]

約数ペア:

[(1, 128753968), (2, 64376984), (4, 32188492), (7, 18393424), (8, 16094246), (14, 9196712), (16, 8047123), (28, 4598356), (29, 4439792), (49, 2627632), (56, 2299178), (58, 2219896), (98, 1313816), (112, 1149589), (116, 1109948), (196, 656908), (203, 634256), (232, 554974), (343, 375376), (392, 328454), (406, 317128), (464, 277487), (686, 187688), (784, 164227), (809, 159152), (812, 158564), (1372, 93844), (1421, 90608), (1618, 79576), (1624, 79282), (2744, 46922), (2842, 45304), (3236, 39788), (3248, 39641), (5488, 23461), (5663, 22736), (5684, 22652), (6472, 19894), (9947, 12944), (11326, 11368)]