28861196

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:319

約数の個数: 72

約数和(自身を含む): 64886976

約数和(自身を除く): 36025780

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 47, 49, 52, 91, 94, 98, 182, 188, 196, 241, 329, 364, 482, 611, 637, 658, 964, 1222, 1274, 1316, 1687, 2303, 2444, 2548, 3133, 3374, 4277, 4606, 6266, 6748, 8554, 9212, 11327, 11809, 12532, 17108, 21931, 22654, 23618, 29939, 43862, 45308, 47236, 59878, 79289, 87724, 119756, 147251, 153517, 158578, 294502, 307034, 317156, 555023, 589004, 614068, 1030757, 1110046, 2061514, 2220092, 4123028, 7215299, 14430598, 28861196]

約数ペア:

[(1, 28861196), (2, 14430598), (4, 7215299), (7, 4123028), (13, 2220092), (14, 2061514), (26, 1110046), (28, 1030757), (47, 614068), (49, 589004), (52, 555023), (91, 317156), (94, 307034), (98, 294502), (182, 158578), (188, 153517), (196, 147251), (241, 119756), (329, 87724), (364, 79289), (482, 59878), (611, 47236), (637, 45308), (658, 43862), (964, 29939), (1222, 23618), (1274, 22654), (1316, 21931), (1687, 17108), (2303, 12532), (2444, 11809), (2548, 11327), (3133, 9212), (3374, 8554), (4277, 6748), (4606, 6266)]