1388508

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 3609984

約数和(自身を除く): 2221476

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 67, 132, 134, 157, 201, 268, 314, 402, 471, 628, 737, 804, 942, 1474, 1727, 1884, 2211, 2948, 3454, 4422, 5181, 6908, 8844, 10362, 10519, 20724, 21038, 31557, 42076, 63114, 115709, 126228, 231418, 347127, 462836, 694254, 1388508]

約数ペア:

[(1, 1388508), (2, 694254), (3, 462836), (4, 347127), (6, 231418), (11, 126228), (12, 115709), (22, 63114), (33, 42076), (44, 31557), (66, 21038), (67, 20724), (132, 10519), (134, 10362), (157, 8844), (201, 6908), (268, 5181), (314, 4422), (402, 3454), (471, 2948), (628, 2211), (737, 1884), (804, 1727), (942, 1474)]