251432916

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{3923}}^1$

素因数の和:4053

約数の個数: 72

約数和(自身を含む): 688897440

約数和(自身を除く): 437464524

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 109, 147, 196, 218, 294, 327, 436, 588, 654, 763, 1308, 1526, 2289, 3052, 3923, 4578, 5341, 7846, 9156, 10682, 11769, 15692, 16023, 21364, 23538, 27461, 32046, 47076, 54922, 64092, 82383, 109844, 164766, 192227, 329532, 384454, 427607, 576681, 768908, 855214, 1153362, 1282821, 1710428, 2306724, 2565642, 2993249, 5131284, 5986498, 8979747, 11972996, 17959494, 20952743, 35918988, 41905486, 62858229, 83810972, 125716458, 251432916]

約数ペア:

[(1, 251432916), (2, 125716458), (3, 83810972), (4, 62858229), (6, 41905486), (7, 35918988), (12, 20952743), (14, 17959494), (21, 11972996), (28, 8979747), (42, 5986498), (49, 5131284), (84, 2993249), (98, 2565642), (109, 2306724), (147, 1710428), (196, 1282821), (218, 1153362), (294, 855214), (327, 768908), (436, 576681), (588, 427607), (654, 384454), (763, 329532), (1308, 192227), (1526, 164766), (2289, 109844), (3052, 82383), (3923, 64092), (4578, 54922), (5341, 47076), (7846, 32046), (9156, 27461), (10682, 23538), (11769, 21364), (15692, 16023)]