628402008

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{461}}^1$

素因数の和:757

約数の個数: 128

約数和(自身を含む): 1802243520

約数和(自身を除く): 1173841512

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 34, 39, 51, 52, 68, 78, 102, 104, 136, 156, 204, 221, 257, 312, 408, 442, 461, 514, 663, 771, 884, 922, 1028, 1326, 1383, 1542, 1768, 1844, 2056, 2652, 2766, 3084, 3341, 3688, 4369, 5304, 5532, 5993, 6168, 6682, 7837, 8738, 10023, 11064, 11986, 13107, 13364, 15674, 17476, 17979, 20046, 23511, 23972, 26214, 26728, 31348, 34952, 35958, 40092, 47022, 47944, 52428, 56797, 62696, 71916, 80184, 94044, 101881, 104856, 113594, 118477, 143832, 170391, 188088, 203762, 227188, 236954, 305643, 340782, 355431, 407524, 454376, 473908, 611286, 681564, 710862, 815048, 947816, 1222572, 1363128, 1421724, 1540201, 2014109, 2445144, 2843448, 3080402, 4028218, 4620603, 6042327, 6160804, 8056436, 9241206, 12084654, 12321608, 16112872, 18482412, 24169308, 26183417, 36964824, 48338616, 52366834, 78550251, 104733668, 157100502, 209467336, 314201004, 628402008]

約数ペア:

[(1, 628402008), (2, 314201004), (3, 209467336), (4, 157100502), (6, 104733668), (8, 78550251), (12, 52366834), (13, 48338616), (17, 36964824), (24, 26183417), (26, 24169308), (34, 18482412), (39, 16112872), (51, 12321608), (52, 12084654), (68, 9241206), (78, 8056436), (102, 6160804), (104, 6042327), (136, 4620603), (156, 4028218), (204, 3080402), (221, 2843448), (257, 2445144), (312, 2014109), (408, 1540201), (442, 1421724), (461, 1363128), (514, 1222572), (663, 947816), (771, 815048), (884, 710862), (922, 681564), (1028, 611286), (1326, 473908), (1383, 454376), (1542, 407524), (1768, 355431), (1844, 340782), (2056, 305643), (2652, 236954), (2766, 227188), (3084, 203762), (3341, 188088), (3688, 170391), (4369, 143832), (5304, 118477), (5532, 113594), (5993, 104856), (6168, 101881), (6682, 94044), (7837, 80184), (8738, 71916), (10023, 62696), (11064, 56797), (11986, 52428), (13107, 47944), (13364, 47022), (15674, 40092), (17476, 35958), (17979, 34952), (20046, 31348), (23511, 26728), (23972, 26214)]