388517418

素因数分解:

$2^1\times 3^3\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{1493}}^1$

素因数の和:1644

約数の個数: 64

約数和(自身を含む): 889228800

約数和(自身を除く): 500711382

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 79, 122, 158, 183, 237, 366, 474, 549, 711, 1098, 1422, 1493, 1647, 2133, 2986, 3294, 4266, 4479, 4819, 8958, 9638, 13437, 14457, 26874, 28914, 40311, 43371, 80622, 86742, 91073, 117947, 130113, 182146, 235894, 260226, 273219, 353841, 546438, 707682, 819657, 1061523, 1639314, 2123046, 2458971, 3184569, 4917942, 6369138, 7194767, 14389534, 21584301, 43168602, 64752903, 129505806, 194258709, 388517418]

約数ペア:

[(1, 388517418), (2, 194258709), (3, 129505806), (6, 64752903), (9, 43168602), (18, 21584301), (27, 14389534), (54, 7194767), (61, 6369138), (79, 4917942), (122, 3184569), (158, 2458971), (183, 2123046), (237, 1639314), (366, 1061523), (474, 819657), (549, 707682), (711, 546438), (1098, 353841), (1422, 273219), (1493, 260226), (1647, 235894), (2133, 182146), (2986, 130113), (3294, 117947), (4266, 91073), (4479, 86742), (4819, 80622), (8958, 43371), (9638, 40311), (13437, 28914), (14457, 26874)]