1818874197505

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{487}}^1\times {\mathrm{1987}}^1$

素因数の和:2746

約数の個数: 64

約数和(自身を含む): 2297099202048

約数和(自身を除く): 478225004543

約数列:

[1, 5, 41, 53, 173, 205, 265, 487, 865, 1987, 2173, 2435, 7093, 9169, 9935, 10865, 19967, 25811, 35465, 45845, 81467, 84251, 99835, 105311, 129055, 343751, 375929, 407335, 421255, 526555, 967669, 1058251, 1718755, 1879645, 3454291, 4317751, 4465303, 4838345, 5291255, 14093791, 17271455, 18218803, 21588755, 22326515, 39674429, 51286457, 70468955, 91094015, 167406737, 183077423, 198372145, 256432285, 746970923, 837033685, 915387115, 2102744737, 3734854615, 6863676217, 8872557061, 10513723685, 34318381085, 44362785305, 363774839501, 1818874197505]

約数ペア:

[(1, 1818874197505), (5, 363774839501), (41, 44362785305), (53, 34318381085), (173, 10513723685), (205, 8872557061), (265, 6863676217), (487, 3734854615), (865, 2102744737), (1987, 915387115), (2173, 837033685), (2435, 746970923), (7093, 256432285), (9169, 198372145), (9935, 183077423), (10865, 167406737), (19967, 91094015), (25811, 70468955), (35465, 51286457), (45845, 39674429), (81467, 22326515), (84251, 21588755), (99835, 18218803), (105311, 17271455), (129055, 14093791), (343751, 5291255), (375929, 4838345), (407335, 4465303), (421255, 4317751), (526555, 3454291), (967669, 1879645), (1058251, 1718755)]