778941252

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^2\times {\mathrm{19979}}^1$

素因数の和:20030

約数の個数: 72

約数和(自身を含む): 2131466400

約数和(自身を除く): 1352525148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 361, 513, 684, 722, 1026, 1083, 1444, 2052, 2166, 3249, 4332, 6498, 9747, 12996, 19494, 19979, 38988, 39958, 59937, 79916, 119874, 179811, 239748, 359622, 379601, 539433, 719244, 759202, 1078866, 1138803, 1518404, 2157732, 2277606, 3416409, 4555212, 6832818, 7212419, 10249227, 13665636, 14424838, 20498454, 21637257, 28849676, 40996908, 43274514, 64911771, 86549028, 129823542, 194735313, 259647084, 389470626, 778941252]

約数ペア:

[(1, 778941252), (2, 389470626), (3, 259647084), (4, 194735313), (6, 129823542), (9, 86549028), (12, 64911771), (18, 43274514), (19, 40996908), (27, 28849676), (36, 21637257), (38, 20498454), (54, 14424838), (57, 13665636), (76, 10249227), (108, 7212419), (114, 6832818), (171, 4555212), (228, 3416409), (342, 2277606), (361, 2157732), (513, 1518404), (684, 1138803), (722, 1078866), (1026, 759202), (1083, 719244), (1444, 539433), (2052, 379601), (2166, 359622), (3249, 239748), (4332, 179811), (6498, 119874), (9747, 79916), (12996, 59937), (19494, 39958), (19979, 38988)]