209918618

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{307}}^1$

素因数の和:376

約数の個数: 72

約数和(自身を含む): 415289952

約数和(自身を除く): 205371334

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 169, 182, 221, 238, 289, 307, 338, 442, 578, 614, 1183, 1547, 2023, 2149, 2366, 2873, 3094, 3757, 3991, 4046, 4298, 5219, 5746, 7514, 7982, 10438, 20111, 26299, 27937, 36533, 40222, 48841, 51883, 52598, 55874, 67847, 73066, 88723, 97682, 103766, 135694, 177446, 341887, 363181, 474929, 621061, 683774, 726362, 882011, 949858, 1153399, 1242122, 1764022, 2306798, 6174077, 8073793, 12348154, 14994187, 16147586, 29988374, 104959309, 209918618]

約数ペア:

[(1, 209918618), (2, 104959309), (7, 29988374), (13, 16147586), (14, 14994187), (17, 12348154), (26, 8073793), (34, 6174077), (91, 2306798), (119, 1764022), (169, 1242122), (182, 1153399), (221, 949858), (238, 882011), (289, 726362), (307, 683774), (338, 621061), (442, 474929), (578, 363181), (614, 341887), (1183, 177446), (1547, 135694), (2023, 103766), (2149, 97682), (2366, 88723), (2873, 73066), (3094, 67847), (3757, 55874), (3991, 52598), (4046, 51883), (4298, 48841), (5219, 40222), (5746, 36533), (7514, 27937), (7982, 26299), (10438, 20111)]