81215256

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2971}}^1$

素因数の和:3064

約数の個数: 64

約数和(自身を含む): 218263680

約数和(自身を除く): 137048424

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 67, 68, 102, 134, 136, 201, 204, 268, 402, 408, 536, 804, 1139, 1608, 2278, 2971, 3417, 4556, 5942, 6834, 8913, 9112, 11884, 13668, 17826, 23768, 27336, 35652, 50507, 71304, 101014, 151521, 199057, 202028, 303042, 398114, 404056, 597171, 606084, 796228, 1194342, 1212168, 1592456, 2388684, 3383969, 4777368, 6767938, 10151907, 13535876, 20303814, 27071752, 40607628, 81215256]

約数ペア:

[(1, 81215256), (2, 40607628), (3, 27071752), (4, 20303814), (6, 13535876), (8, 10151907), (12, 6767938), (17, 4777368), (24, 3383969), (34, 2388684), (51, 1592456), (67, 1212168), (68, 1194342), (102, 796228), (134, 606084), (136, 597171), (201, 404056), (204, 398114), (268, 303042), (402, 202028), (408, 199057), (536, 151521), (804, 101014), (1139, 71304), (1608, 50507), (2278, 35652), (2971, 27336), (3417, 23768), (4556, 17826), (5942, 13668), (6834, 11884), (8913, 9112)]