13125770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 29030400

約数和(自身を除く): 15904630

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 71, 95, 133, 139, 142, 190, 266, 278, 355, 497, 665, 695, 710, 973, 994, 1330, 1349, 1390, 1946, 2485, 2641, 2698, 4865, 4970, 5282, 6745, 9443, 9730, 9869, 13205, 13490, 18487, 18886, 19738, 26410, 36974, 47215, 49345, 69083, 92435, 94430, 98690, 138166, 184870, 187511, 345415, 375022, 690830, 937555, 1312577, 1875110, 2625154, 6562885, 13125770]

約数ペア:

[(1, 13125770), (2, 6562885), (5, 2625154), (7, 1875110), (10, 1312577), (14, 937555), (19, 690830), (35, 375022), (38, 345415), (70, 187511), (71, 184870), (95, 138166), (133, 98690), (139, 94430), (142, 92435), (190, 69083), (266, 49345), (278, 47215), (355, 36974), (497, 26410), (665, 19738), (695, 18886), (710, 18487), (973, 13490), (994, 13205), (1330, 9869), (1349, 9730), (1390, 9443), (1946, 6745), (2485, 5282), (2641, 4970), (2698, 4865)]