211557276

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{757}}^1\times {\mathrm{1109}}^1$

素因数の和:1883

約数の個数: 72

約数和(自身を含む): 612524640

約数和(自身を除く): 400967364

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 757, 1109, 1514, 2218, 2271, 3028, 3327, 4436, 4542, 5299, 6654, 6813, 7763, 9084, 9981, 10598, 13308, 13626, 15526, 15897, 19962, 21196, 23289, 27252, 31052, 31794, 39924, 46578, 47691, 63588, 69867, 93156, 95382, 139734, 190764, 279468, 839513, 1679026, 2518539, 3358052, 5037078, 5876591, 7555617, 10074156, 11753182, 15111234, 17629773, 23506364, 30222468, 35259546, 52889319, 70519092, 105778638, 211557276]

約数ペア:

[(1, 211557276), (2, 105778638), (3, 70519092), (4, 52889319), (6, 35259546), (7, 30222468), (9, 23506364), (12, 17629773), (14, 15111234), (18, 11753182), (21, 10074156), (28, 7555617), (36, 5876591), (42, 5037078), (63, 3358052), (84, 2518539), (126, 1679026), (252, 839513), (757, 279468), (1109, 190764), (1514, 139734), (2218, 95382), (2271, 93156), (3028, 69867), (3327, 63588), (4436, 47691), (4542, 46578), (5299, 39924), (6654, 31794), (6813, 31052), (7763, 27252), (9084, 23289), (9981, 21196), (10598, 19962), (13308, 15897), (13626, 15526)]