13261990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 29030400

約数和(自身を除く): 15768410

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 47, 58, 70, 94, 139, 145, 203, 235, 278, 290, 329, 406, 470, 658, 695, 973, 1015, 1363, 1390, 1645, 1946, 2030, 2726, 3290, 4031, 4865, 6533, 6815, 8062, 9541, 9730, 13066, 13630, 19082, 20155, 28217, 32665, 40310, 45731, 47705, 56434, 65330, 91462, 95410, 141085, 189457, 228655, 282170, 378914, 457310, 947285, 1326199, 1894570, 2652398, 6630995, 13261990]

約数ペア:

[(1, 13261990), (2, 6630995), (5, 2652398), (7, 1894570), (10, 1326199), (14, 947285), (29, 457310), (35, 378914), (47, 282170), (58, 228655), (70, 189457), (94, 141085), (139, 95410), (145, 91462), (203, 65330), (235, 56434), (278, 47705), (290, 45731), (329, 40310), (406, 32665), (470, 28217), (658, 20155), (695, 19082), (973, 13630), (1015, 13066), (1363, 9730), (1390, 9541), (1645, 8062), (1946, 6815), (2030, 6533), (2726, 4865), (3290, 4031)]