1991724

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 5381376

約数和(自身を除く): 3389652

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 131, 181, 262, 362, 393, 524, 543, 724, 786, 917, 1086, 1267, 1572, 1834, 2172, 2534, 2751, 3668, 3801, 5068, 5502, 7602, 11004, 15204, 23711, 47422, 71133, 94844, 142266, 165977, 284532, 331954, 497931, 663908, 995862, 1991724]

約数ペア:

[(1, 1991724), (2, 995862), (3, 663908), (4, 497931), (6, 331954), (7, 284532), (12, 165977), (14, 142266), (21, 94844), (28, 71133), (42, 47422), (84, 23711), (131, 15204), (181, 11004), (262, 7602), (362, 5502), (393, 5068), (524, 3801), (543, 3668), (724, 2751), (786, 2534), (917, 2172), (1086, 1834), (1267, 1572)]