9940994

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:290

約数の個数: 32

約数和(自身を含む): 17646336

約数和(自身を除く): 7705342

約数列:

[1, 2, 7, 14, 71, 73, 137, 142, 146, 274, 497, 511, 959, 994, 1022, 1918, 5183, 9727, 10001, 10366, 19454, 20002, 36281, 68089, 70007, 72562, 136178, 140014, 710071, 1420142, 4970497, 9940994]

約数ペア:

[(1, 9940994), (2, 4970497), (7, 1420142), (14, 710071), (71, 140014), (73, 136178), (137, 72562), (142, 70007), (146, 68089), (274, 36281), (497, 20002), (511, 19454), (959, 10366), (994, 10001), (1022, 9727), (1918, 5183)]