247037812

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{491}}^1$

素因数の和:677

約数の個数: 72

約数和(自身を含む): 537098688

約数和(自身を除く): 290060876

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 151, 196, 238, 302, 476, 491, 604, 833, 982, 1057, 1666, 1964, 2114, 2567, 3332, 3437, 4228, 5134, 6874, 7399, 8347, 10268, 13748, 14798, 16694, 17969, 24059, 29596, 33388, 35938, 48118, 58429, 71876, 74141, 96236, 116858, 125783, 148282, 233716, 251566, 296564, 409003, 503132, 518987, 818006, 1037974, 1260397, 1636012, 2075948, 2520794, 3632909, 5041588, 7265818, 8822779, 14531636, 17645558, 35291116, 61759453, 123518906, 247037812]

約数ペア:

[(1, 247037812), (2, 123518906), (4, 61759453), (7, 35291116), (14, 17645558), (17, 14531636), (28, 8822779), (34, 7265818), (49, 5041588), (68, 3632909), (98, 2520794), (119, 2075948), (151, 1636012), (196, 1260397), (238, 1037974), (302, 818006), (476, 518987), (491, 503132), (604, 409003), (833, 296564), (982, 251566), (1057, 233716), (1666, 148282), (1964, 125783), (2114, 116858), (2567, 96236), (3332, 74141), (3437, 71876), (4228, 58429), (5134, 48118), (6874, 35938), (7399, 33388), (8347, 29596), (10268, 24059), (13748, 17969), (14798, 16694)]