128301228

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{1153}}^1$

素因数の和:1455

約数の個数: 72

約数和(自身を含む): 355367376

約数和(自身を除く): 227066148

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 281, 396, 562, 843, 1124, 1153, 1686, 2306, 2529, 3091, 3372, 3459, 4612, 5058, 6182, 6918, 9273, 10116, 10377, 12364, 12683, 13836, 18546, 20754, 25366, 27819, 37092, 38049, 41508, 50732, 55638, 76098, 111276, 114147, 152196, 228294, 323993, 456588, 647986, 971979, 1295972, 1943958, 2915937, 3563923, 3887916, 5831874, 7127846, 10691769, 11663748, 14255692, 21383538, 32075307, 42767076, 64150614, 128301228]

約数ペア:

[(1, 128301228), (2, 64150614), (3, 42767076), (4, 32075307), (6, 21383538), (9, 14255692), (11, 11663748), (12, 10691769), (18, 7127846), (22, 5831874), (33, 3887916), (36, 3563923), (44, 2915937), (66, 1943958), (99, 1295972), (132, 971979), (198, 647986), (281, 456588), (396, 323993), (562, 228294), (843, 152196), (1124, 114147), (1153, 111276), (1686, 76098), (2306, 55638), (2529, 50732), (3091, 41508), (3372, 38049), (3459, 37092), (4612, 27819), (5058, 25366), (6182, 20754), (6918, 18546), (9273, 13836), (10116, 12683), (10377, 12364)]