81304762

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{751}}^1$

素因数の和:827

約数の個数: 64

約数和(自身を含む): 164597760

約数和(自身を除く): 83292998

約数列:

[1, 2, 7, 11, 14, 19, 22, 37, 38, 74, 77, 133, 154, 209, 259, 266, 407, 418, 518, 703, 751, 814, 1406, 1463, 1502, 2849, 2926, 4921, 5257, 5698, 7733, 8261, 9842, 10514, 14269, 15466, 16522, 27787, 28538, 54131, 55574, 57827, 99883, 108262, 115654, 156959, 194509, 199766, 305657, 313918, 389018, 527953, 611314, 1055906, 1098713, 2139599, 2197426, 3695671, 4279198, 5807483, 7391342, 11614966, 40652381, 81304762]

約数ペア:

[(1, 81304762), (2, 40652381), (7, 11614966), (11, 7391342), (14, 5807483), (19, 4279198), (22, 3695671), (37, 2197426), (38, 2139599), (74, 1098713), (77, 1055906), (133, 611314), (154, 527953), (209, 389018), (259, 313918), (266, 305657), (407, 199766), (418, 194509), (518, 156959), (703, 115654), (751, 108262), (814, 99883), (1406, 57827), (1463, 55574), (1502, 54131), (2849, 28538), (2926, 27787), (4921, 16522), (5257, 15466), (5698, 14269), (7733, 10514), (8261, 9842)]