81877644

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{353}}^1\times {\mathrm{379}}^1$

素因数の和:759

約数の個数: 72

約数和(自身を含む): 220343760

約数和(自身を除く): 138466116

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 353, 379, 612, 706, 758, 1059, 1137, 1412, 1516, 2118, 2274, 3177, 3411, 4236, 4548, 6001, 6354, 6443, 6822, 12002, 12708, 12886, 13644, 18003, 19329, 24004, 25772, 36006, 38658, 54009, 57987, 72012, 77316, 108018, 115974, 133787, 216036, 231948, 267574, 401361, 535148, 802722, 1204083, 1605444, 2274379, 2408166, 4548758, 4816332, 6823137, 9097516, 13646274, 20469411, 27292548, 40938822, 81877644]

約数ペア:

[(1, 81877644), (2, 40938822), (3, 27292548), (4, 20469411), (6, 13646274), (9, 9097516), (12, 6823137), (17, 4816332), (18, 4548758), (34, 2408166), (36, 2274379), (51, 1605444), (68, 1204083), (102, 802722), (153, 535148), (204, 401361), (306, 267574), (353, 231948), (379, 216036), (612, 133787), (706, 115974), (758, 108018), (1059, 77316), (1137, 72012), (1412, 57987), (1516, 54009), (2118, 38658), (2274, 36006), (3177, 25772), (3411, 24004), (4236, 19329), (4548, 18003), (6001, 13644), (6354, 12886), (6443, 12708), (6822, 12002)]