651330490764

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^2\times {\mathrm{157}}^1\times {\mathrm{68581}}^1$

素因数の和:68887

約数の個数: 72

約数和(自身を含む): 1551318804784

約数和(自身を除く): 899988314020

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 157, 213, 284, 314, 426, 471, 628, 852, 942, 1884, 5041, 10082, 11147, 15123, 20164, 22294, 30246, 33441, 44588, 60492, 66882, 68581, 133764, 137162, 205743, 274324, 411486, 791437, 822972, 1582874, 2374311, 3165748, 4748622, 4869251, 9497244, 9738502, 10767217, 14607753, 19477004, 21534434, 29215506, 32301651, 43068868, 58431012, 64603302, 129206604, 345716821, 691433642, 764472407, 1037150463, 1382867284, 1528944814, 2074300926, 2293417221, 3057889628, 4148601852, 4586834442, 9173668884, 54277540897, 108555081794, 162832622691, 217110163588, 325665245382, 651330490764]

約数ペア:

[(1, 651330490764), (2, 325665245382), (3, 217110163588), (4, 162832622691), (6, 108555081794), (12, 54277540897), (71, 9173668884), (142, 4586834442), (157, 4148601852), (213, 3057889628), (284, 2293417221), (314, 2074300926), (426, 1528944814), (471, 1382867284), (628, 1037150463), (852, 764472407), (942, 691433642), (1884, 345716821), (5041, 129206604), (10082, 64603302), (11147, 58431012), (15123, 43068868), (20164, 32301651), (22294, 29215506), (30246, 21534434), (33441, 19477004), (44588, 14607753), (60492, 10767217), (66882, 9738502), (68581, 9497244), (133764, 4869251), (137162, 4748622), (205743, 3165748), (274324, 2374311), (411486, 1582874), (791437, 822972)]