1989498

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:187

約数の個数: 48

約数和(自身を含む): 4744224

約数和(自身を除く): 2754726

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 67, 98, 101, 134, 147, 201, 202, 294, 303, 402, 469, 606, 707, 938, 1407, 1414, 2121, 2814, 3283, 4242, 4949, 6566, 6767, 9849, 9898, 13534, 14847, 19698, 20301, 29694, 40602, 47369, 94738, 142107, 284214, 331583, 663166, 994749, 1989498]

約数ペア:

[(1, 1989498), (2, 994749), (3, 663166), (6, 331583), (7, 284214), (14, 142107), (21, 94738), (42, 47369), (49, 40602), (67, 29694), (98, 20301), (101, 19698), (134, 14847), (147, 13534), (201, 9898), (202, 9849), (294, 6767), (303, 6566), (402, 4949), (469, 4242), (606, 3283), (707, 2814), (938, 2121), (1407, 1414)]