78419145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 148525056

約数和(自身を除く): 70105911

約数列:

[1, 3, 5, 7, 15, 21, 35, 67, 71, 105, 157, 201, 213, 335, 355, 469, 471, 497, 785, 1005, 1065, 1099, 1407, 1491, 2345, 2355, 2485, 3297, 4757, 5495, 7035, 7455, 10519, 11147, 14271, 16485, 23785, 31557, 33299, 33441, 52595, 55735, 71355, 73633, 78029, 99897, 157785, 166495, 167205, 220899, 234087, 368165, 390145, 499485, 746849, 1104495, 1170435, 2240547, 3734245, 5227943, 11202735, 15683829, 26139715, 78419145]

約数ペア:

[(1, 78419145), (3, 26139715), (5, 15683829), (7, 11202735), (15, 5227943), (21, 3734245), (35, 2240547), (67, 1170435), (71, 1104495), (105, 746849), (157, 499485), (201, 390145), (213, 368165), (335, 234087), (355, 220899), (469, 167205), (471, 166495), (497, 157785), (785, 99897), (1005, 78029), (1065, 73633), (1099, 71355), (1407, 55735), (1491, 52595), (2345, 33441), (2355, 33299), (2485, 31557), (3297, 23785), (4757, 16485), (5495, 14271), (7035, 11147), (7455, 10519)]