28891002

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 68428800

約数和(自身を除く): 39537798

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 59, 89, 118, 131, 177, 178, 262, 267, 354, 393, 413, 534, 623, 786, 826, 917, 1239, 1246, 1834, 1869, 2478, 2751, 3738, 5251, 5502, 7729, 10502, 11659, 15458, 15753, 23187, 23318, 31506, 34977, 36757, 46374, 54103, 69954, 73514, 81613, 108206, 110271, 162309, 163226, 220542, 244839, 324618, 489678, 687881, 1375762, 2063643, 4127286, 4815167, 9630334, 14445501, 28891002]

約数ペア:

[(1, 28891002), (2, 14445501), (3, 9630334), (6, 4815167), (7, 4127286), (14, 2063643), (21, 1375762), (42, 687881), (59, 489678), (89, 324618), (118, 244839), (131, 220542), (177, 163226), (178, 162309), (262, 110271), (267, 108206), (354, 81613), (393, 73514), (413, 69954), (534, 54103), (623, 46374), (786, 36757), (826, 34977), (917, 31506), (1239, 23318), (1246, 23187), (1834, 15753), (1869, 15458), (2478, 11659), (2751, 10502), (3738, 7729), (5251, 5502)]