16574740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1301}}^1$

素因数の和:1337

約数の個数: 72

約数和(自身を含む): 43637832

約数和(自身を除く): 27063092

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1301, 1820, 2548, 2602, 3185, 5204, 6370, 6505, 9107, 12740, 13010, 16913, 18214, 26020, 33826, 36428, 45535, 63749, 67652, 84565, 91070, 118391, 127498, 169130, 182140, 236782, 254996, 318745, 338260, 473564, 591955, 637490, 828737, 1183910, 1274980, 1657474, 2367820, 3314948, 4143685, 8287370, 16574740]

約数ペア:

[(1, 16574740), (2, 8287370), (4, 4143685), (5, 3314948), (7, 2367820), (10, 1657474), (13, 1274980), (14, 1183910), (20, 828737), (26, 637490), (28, 591955), (35, 473564), (49, 338260), (52, 318745), (65, 254996), (70, 236782), (91, 182140), (98, 169130), (130, 127498), (140, 118391), (182, 91070), (196, 84565), (245, 67652), (260, 63749), (364, 45535), (455, 36428), (490, 33826), (637, 26020), (910, 18214), (980, 16913), (1274, 13010), (1301, 12740), (1820, 9107), (2548, 6505), (2602, 6370), (3185, 5204)]