12856412036

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{281}}^1\times {\mathrm{1277}}^1$

素因数の和:1641

約数の個数: 72

約数和(自身を含む): 24930032904

約数和(自身を除く): 12073620868

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 169, 212, 281, 338, 562, 676, 689, 1124, 1277, 1378, 2554, 2756, 3653, 5108, 7306, 8957, 14612, 14893, 16601, 17914, 29786, 33202, 35828, 47489, 59572, 66404, 67681, 94978, 135362, 189956, 193609, 215813, 270724, 358837, 387218, 431626, 717674, 774436, 863252, 879853, 1435348, 1759706, 2516917, 3519412, 4664881, 5033834, 9329762, 10067668, 11438089, 18659524, 19018361, 22876178, 38036722, 45752356, 60643453, 76073444, 121286906, 242573812, 247238693, 494477386, 988954772, 3214103009, 6428206018, 12856412036]

約数ペア:

[(1, 12856412036), (2, 6428206018), (4, 3214103009), (13, 988954772), (26, 494477386), (52, 247238693), (53, 242573812), (106, 121286906), (169, 76073444), (212, 60643453), (281, 45752356), (338, 38036722), (562, 22876178), (676, 19018361), (689, 18659524), (1124, 11438089), (1277, 10067668), (1378, 9329762), (2554, 5033834), (2756, 4664881), (3653, 3519412), (5108, 2516917), (7306, 1759706), (8957, 1435348), (14612, 879853), (14893, 863252), (16601, 774436), (17914, 717674), (29786, 431626), (33202, 387218), (35828, 358837), (47489, 270724), (59572, 215813), (66404, 193609), (67681, 189956), (94978, 135362)]