251736716

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1979}}^1$

素因数の和:2067

約数の個数: 72

約数和(自身を含む): 568814400

約数和(自身を除く): 317077684

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 59, 77, 98, 118, 154, 196, 236, 308, 413, 539, 649, 826, 1078, 1298, 1652, 1979, 2156, 2596, 2891, 3958, 4543, 5782, 7916, 9086, 11564, 13853, 18172, 21769, 27706, 31801, 43538, 55412, 63602, 87076, 96971, 116761, 127204, 152383, 193942, 233522, 304766, 387884, 467044, 609532, 817327, 1066681, 1284371, 1634654, 2133362, 2568742, 3269308, 4266724, 5137484, 5721289, 8990597, 11442578, 17981194, 22885156, 35962388, 62934179, 125868358, 251736716]

約数ペア:

[(1, 251736716), (2, 125868358), (4, 62934179), (7, 35962388), (11, 22885156), (14, 17981194), (22, 11442578), (28, 8990597), (44, 5721289), (49, 5137484), (59, 4266724), (77, 3269308), (98, 2568742), (118, 2133362), (154, 1634654), (196, 1284371), (236, 1066681), (308, 817327), (413, 609532), (539, 467044), (649, 387884), (826, 304766), (1078, 233522), (1298, 193942), (1652, 152383), (1979, 127204), (2156, 116761), (2596, 96971), (2891, 87076), (3958, 63602), (4543, 55412), (5782, 43538), (7916, 31801), (9086, 27706), (11564, 21769), (13853, 18172)]