74089281

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 126074880

約数和(自身を除く): 51985599

約数列:

[1, 3, 7, 17, 21, 37, 51, 71, 79, 111, 119, 213, 237, 259, 357, 497, 553, 629, 777, 1207, 1343, 1491, 1659, 1887, 2627, 2923, 3621, 4029, 4403, 5609, 7881, 8449, 8769, 9401, 13209, 16827, 18389, 20461, 25347, 28203, 39263, 44659, 49691, 55167, 61383, 95353, 117789, 133977, 149073, 207533, 286059, 312613, 347837, 622599, 667471, 937839, 1043511, 1452731, 2002413, 3528061, 4358193, 10584183, 24696427, 74089281]

約数ペア:

[(1, 74089281), (3, 24696427), (7, 10584183), (17, 4358193), (21, 3528061), (37, 2002413), (51, 1452731), (71, 1043511), (79, 937839), (111, 667471), (119, 622599), (213, 347837), (237, 312613), (259, 286059), (357, 207533), (497, 149073), (553, 133977), (629, 117789), (777, 95353), (1207, 61383), (1343, 55167), (1491, 49691), (1659, 44659), (1887, 39263), (2627, 28203), (2923, 25347), (3621, 20461), (4029, 18389), (4403, 16827), (5609, 13209), (7881, 9401), (8449, 8769)]