1242828

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 3494400

約数和(自身を除く): 2251572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 36, 38, 46, 57, 69, 76, 79, 92, 114, 138, 158, 171, 207, 228, 237, 276, 316, 342, 414, 437, 474, 684, 711, 828, 874, 948, 1311, 1422, 1501, 1748, 1817, 2622, 2844, 3002, 3634, 3933, 4503, 5244, 5451, 6004, 7268, 7866, 9006, 10902, 13509, 15732, 16353, 18012, 21804, 27018, 32706, 34523, 54036, 65412, 69046, 103569, 138092, 207138, 310707, 414276, 621414, 1242828]

約数ペア:

[(1, 1242828), (2, 621414), (3, 414276), (4, 310707), (6, 207138), (9, 138092), (12, 103569), (18, 69046), (19, 65412), (23, 54036), (36, 34523), (38, 32706), (46, 27018), (57, 21804), (69, 18012), (76, 16353), (79, 15732), (92, 13509), (114, 10902), (138, 9006), (158, 7866), (171, 7268), (207, 6004), (228, 5451), (237, 5244), (276, 4503), (316, 3933), (342, 3634), (414, 3002), (437, 2844), (474, 2622), (684, 1817), (711, 1748), (828, 1501), (874, 1422), (948, 1311)]