1538988

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 3991680

約数和(自身を除く): 2452692

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 89, 131, 132, 178, 262, 267, 356, 393, 524, 534, 786, 979, 1068, 1441, 1572, 1958, 2882, 2937, 3916, 4323, 5764, 5874, 8646, 11659, 11748, 17292, 23318, 34977, 46636, 69954, 128249, 139908, 256498, 384747, 512996, 769494, 1538988]

約数ペア:

[(1, 1538988), (2, 769494), (3, 512996), (4, 384747), (6, 256498), (11, 139908), (12, 128249), (22, 69954), (33, 46636), (44, 34977), (66, 23318), (89, 17292), (131, 11748), (132, 11659), (178, 8646), (262, 5874), (267, 5764), (356, 4323), (393, 3916), (524, 2937), (534, 2882), (786, 1958), (979, 1572), (1068, 1441)]