261009156

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{19403}}^1$

素因数の和:19488

約数の個数: 48

約数和(自身を含む): 651974400

約数和(自身を除く): 390965244

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 59, 76, 114, 118, 177, 228, 236, 354, 708, 1121, 2242, 3363, 4484, 6726, 13452, 19403, 38806, 58209, 77612, 116418, 232836, 368657, 737314, 1105971, 1144777, 1474628, 2211942, 2289554, 3434331, 4423884, 4579108, 6868662, 13737324, 21750763, 43501526, 65252289, 87003052, 130504578, 261009156]

約数ペア:

[(1, 261009156), (2, 130504578), (3, 87003052), (4, 65252289), (6, 43501526), (12, 21750763), (19, 13737324), (38, 6868662), (57, 4579108), (59, 4423884), (76, 3434331), (114, 2289554), (118, 2211942), (177, 1474628), (228, 1144777), (236, 1105971), (354, 737314), (708, 368657), (1121, 232836), (2242, 116418), (3363, 77612), (4484, 58209), (6726, 38806), (13452, 19403)]