217107436

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{613}}^1$

素因数の和:783

約数の個数: 72

約数和(自身を含む): 480172560

約数和(自身を除く): 263065124

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 139, 182, 196, 278, 364, 556, 613, 637, 973, 1226, 1274, 1807, 1946, 2452, 2548, 3614, 3892, 4291, 6811, 7228, 7969, 8582, 12649, 13622, 15938, 17164, 25298, 27244, 30037, 31876, 50596, 55783, 60074, 85207, 88543, 111566, 120148, 170414, 177086, 223132, 340828, 354172, 390481, 596449, 780962, 1107691, 1192898, 1561924, 2215382, 2385796, 4175143, 4430764, 7753837, 8350286, 15507674, 16700572, 31015348, 54276859, 108553718, 217107436]

約数ペア:

[(1, 217107436), (2, 108553718), (4, 54276859), (7, 31015348), (13, 16700572), (14, 15507674), (26, 8350286), (28, 7753837), (49, 4430764), (52, 4175143), (91, 2385796), (98, 2215382), (139, 1561924), (182, 1192898), (196, 1107691), (278, 780962), (364, 596449), (556, 390481), (613, 354172), (637, 340828), (973, 223132), (1226, 177086), (1274, 170414), (1807, 120148), (1946, 111566), (2452, 88543), (2548, 85207), (3614, 60074), (3892, 55783), (4291, 50596), (6811, 31876), (7228, 30037), (7969, 27244), (8582, 25298), (12649, 17164), (13622, 15938)]