51638356

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:629

約数の個数: 72

約数和(自身を含む): 117554976

約数和(自身を除く): 65916620

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 43, 44, 49, 77, 86, 98, 154, 172, 196, 301, 308, 473, 539, 557, 602, 946, 1078, 1114, 1204, 1892, 2107, 2156, 2228, 3311, 3899, 4214, 6127, 6622, 7798, 8428, 12254, 13244, 15596, 23177, 23951, 24508, 27293, 42889, 46354, 47902, 54586, 85778, 92708, 95804, 109172, 167657, 171556, 263461, 300223, 335314, 526922, 600446, 670628, 1053844, 1173599, 1200892, 1844227, 2347198, 3688454, 4694396, 7376908, 12909589, 25819178, 51638356]

約数ペア:

[(1, 51638356), (2, 25819178), (4, 12909589), (7, 7376908), (11, 4694396), (14, 3688454), (22, 2347198), (28, 1844227), (43, 1200892), (44, 1173599), (49, 1053844), (77, 670628), (86, 600446), (98, 526922), (154, 335314), (172, 300223), (196, 263461), (301, 171556), (308, 167657), (473, 109172), (539, 95804), (557, 92708), (602, 85778), (946, 54586), (1078, 47902), (1114, 46354), (1204, 42889), (1892, 27293), (2107, 24508), (2156, 23951), (2228, 23177), (3311, 15596), (3899, 13244), (4214, 12254), (6127, 8428), (6622, 7798)]