291215286

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{239}}^1\times {\mathrm{487}}^1$

素因数の和:873

約数の個数: 48

約数和(自身を含む): 639475200

約数和(自身を除く): 348259914

約数列:

[1, 2, 3, 6, 9, 18, 139, 239, 278, 417, 478, 487, 717, 834, 974, 1251, 1434, 1461, 2151, 2502, 2922, 4302, 4383, 8766, 33221, 66442, 67693, 99663, 116393, 135386, 199326, 203079, 232786, 298989, 349179, 406158, 597978, 609237, 698358, 1047537, 1218474, 2095074, 16178627, 32357254, 48535881, 97071762, 145607643, 291215286]

約数ペア:

[(1, 291215286), (2, 145607643), (3, 97071762), (6, 48535881), (9, 32357254), (18, 16178627), (139, 2095074), (239, 1218474), (278, 1047537), (417, 698358), (478, 609237), (487, 597978), (717, 406158), (834, 349179), (974, 298989), (1251, 232786), (1434, 203079), (1461, 199326), (2151, 135386), (2502, 116393), (2922, 99663), (4302, 67693), (4383, 66442), (8766, 33221)]