31292716

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 71940960

約数和(自身を除く): 40648244

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 119, 169, 182, 221, 238, 338, 364, 389, 442, 476, 676, 778, 884, 1183, 1547, 1556, 2366, 2723, 2873, 3094, 4732, 5057, 5446, 5746, 6188, 6613, 10114, 10892, 11492, 13226, 20111, 20228, 26452, 35399, 40222, 46291, 65741, 70798, 80444, 85969, 92582, 131482, 141596, 171938, 185164, 262964, 343876, 460187, 601783, 920374, 1117597, 1203566, 1840748, 2235194, 2407132, 4470388, 7823179, 15646358, 31292716]

約数ペア:

[(1, 31292716), (2, 15646358), (4, 7823179), (7, 4470388), (13, 2407132), (14, 2235194), (17, 1840748), (26, 1203566), (28, 1117597), (34, 920374), (52, 601783), (68, 460187), (91, 343876), (119, 262964), (169, 185164), (182, 171938), (221, 141596), (238, 131482), (338, 92582), (364, 85969), (389, 80444), (442, 70798), (476, 65741), (676, 46291), (778, 40222), (884, 35399), (1183, 26452), (1547, 20228), (1556, 20111), (2366, 13226), (2723, 11492), (2873, 10892), (3094, 10114), (4732, 6613), (5057, 6188), (5446, 5746)]