68890902

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:317

約数の個数: 64

約数和(自身を含む): 151683840

約数和(自身を除く): 82792938

約数列:

[1, 2, 3, 6, 17, 34, 43, 51, 86, 102, 113, 129, 139, 226, 258, 278, 339, 417, 678, 731, 834, 1462, 1921, 2193, 2363, 3842, 4386, 4726, 4859, 5763, 5977, 7089, 9718, 11526, 11954, 14178, 14577, 15707, 17931, 29154, 31414, 35862, 47121, 82603, 94242, 101609, 165206, 203218, 247809, 267019, 304827, 495618, 534038, 609654, 675401, 801057, 1350802, 1602114, 2026203, 4052406, 11481817, 22963634, 34445451, 68890902]

約数ペア:

[(1, 68890902), (2, 34445451), (3, 22963634), (6, 11481817), (17, 4052406), (34, 2026203), (43, 1602114), (51, 1350802), (86, 801057), (102, 675401), (113, 609654), (129, 534038), (139, 495618), (226, 304827), (258, 267019), (278, 247809), (339, 203218), (417, 165206), (678, 101609), (731, 94242), (834, 82603), (1462, 47121), (1921, 35862), (2193, 31414), (2363, 29154), (3842, 17931), (4386, 15707), (4726, 14577), (4859, 14178), (5763, 11954), (5977, 11526), (7089, 9718)]