172904238

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{503}}^1$

素因数の和:650

約数の個数: 72

約数和(自身を含む): 410063472

約数和(自身を除く): 237159234

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 113, 117, 169, 226, 234, 338, 339, 503, 507, 678, 1006, 1014, 1017, 1469, 1509, 1521, 2034, 2938, 3018, 3042, 4407, 4527, 6539, 8814, 9054, 13078, 13221, 19097, 19617, 26442, 38194, 39234, 56839, 57291, 58851, 85007, 113678, 114582, 117702, 170014, 170517, 171873, 255021, 341034, 343746, 510042, 511551, 738907, 765063, 1023102, 1477814, 1530126, 2216721, 4433442, 6650163, 9605791, 13300326, 19211582, 28817373, 57634746, 86452119, 172904238]

約数ペア:

[(1, 172904238), (2, 86452119), (3, 57634746), (6, 28817373), (9, 19211582), (13, 13300326), (18, 9605791), (26, 6650163), (39, 4433442), (78, 2216721), (113, 1530126), (117, 1477814), (169, 1023102), (226, 765063), (234, 738907), (338, 511551), (339, 510042), (503, 343746), (507, 341034), (678, 255021), (1006, 171873), (1014, 170517), (1017, 170014), (1469, 117702), (1509, 114582), (1521, 113678), (2034, 85007), (2938, 58851), (3018, 57291), (3042, 56839), (4407, 39234), (4527, 38194), (6539, 26442), (8814, 19617), (9054, 19097), (13078, 13221)]