1977738

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{31}}^2$

素因数の和:88

約数の個数: 48

約数和(自身を含む): 4766400

約数和(自身を除く): 2788662

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 49, 62, 93, 98, 147, 186, 217, 294, 343, 434, 651, 686, 961, 1029, 1302, 1519, 1922, 2058, 2883, 3038, 4557, 5766, 6727, 9114, 10633, 13454, 20181, 21266, 31899, 40362, 47089, 63798, 94178, 141267, 282534, 329623, 659246, 988869, 1977738]

約数ペア:

[(1, 1977738), (2, 988869), (3, 659246), (6, 329623), (7, 282534), (14, 141267), (21, 94178), (31, 63798), (42, 47089), (49, 40362), (62, 31899), (93, 21266), (98, 20181), (147, 13454), (186, 10633), (217, 9114), (294, 6727), (343, 5766), (434, 4557), (651, 3038), (686, 2883), (961, 2058), (1029, 1922), (1302, 1519)]