661757504

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{4643}}^1$

素因数の和:4803

約数の個数: 56

約数和(自身を含む): 1401336288

約数和(自身を除く): 739578784

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 131, 136, 262, 272, 524, 544, 1048, 1088, 2096, 2227, 4192, 4454, 4643, 8384, 8908, 9286, 17816, 18572, 35632, 37144, 71264, 74288, 78931, 142528, 148576, 157862, 297152, 315724, 608233, 631448, 1216466, 1262896, 2432932, 2525792, 4865864, 5051584, 9731728, 10339961, 19463456, 20679922, 38926912, 41359844, 82719688, 165439376, 330878752, 661757504]

約数ペア:

[(1, 661757504), (2, 330878752), (4, 165439376), (8, 82719688), (16, 41359844), (17, 38926912), (32, 20679922), (34, 19463456), (64, 10339961), (68, 9731728), (131, 5051584), (136, 4865864), (262, 2525792), (272, 2432932), (524, 1262896), (544, 1216466), (1048, 631448), (1088, 608233), (2096, 315724), (2227, 297152), (4192, 157862), (4454, 148576), (4643, 142528), (8384, 78931), (8908, 74288), (9286, 71264), (17816, 37144), (18572, 35632)]