39929974

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 48

約数和(自身を含む): 74269440

約数和(自身を除く): 34339466

約数列:

[1, 2, 7, 14, 17, 34, 71, 119, 139, 142, 238, 278, 289, 497, 578, 973, 994, 1207, 1946, 2023, 2363, 2414, 4046, 4726, 8449, 9869, 16541, 16898, 19738, 20519, 33082, 40171, 41038, 69083, 80342, 138166, 143633, 167773, 281197, 287266, 335546, 562394, 1174411, 2348822, 2852141, 5704282, 19964987, 39929974]

約数ペア:

[(1, 39929974), (2, 19964987), (7, 5704282), (14, 2852141), (17, 2348822), (34, 1174411), (71, 562394), (119, 335546), (139, 287266), (142, 281197), (238, 167773), (278, 143633), (289, 138166), (497, 80342), (578, 69083), (973, 41038), (994, 40171), (1207, 33082), (1946, 20519), (2023, 19738), (2363, 16898), (2414, 16541), (4046, 9869), (4726, 8449)]