247157928

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:344

約数の個数: 144

約数和(自身を含む): 728388180

約数和(自身を除く): 481230252

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 37, 38, 57, 72, 74, 76, 111, 114, 148, 152, 171, 222, 228, 257, 296, 333, 342, 361, 444, 456, 514, 666, 684, 703, 722, 771, 888, 1028, 1083, 1332, 1368, 1406, 1444, 1542, 2056, 2109, 2166, 2313, 2664, 2812, 2888, 3084, 3249, 4218, 4332, 4626, 4883, 5624, 6168, 6327, 6498, 8436, 8664, 9252, 9509, 9766, 12654, 12996, 13357, 14649, 16872, 18504, 19018, 19532, 25308, 25992, 26714, 28527, 29298, 38036, 39064, 40071, 43947, 50616, 53428, 57054, 58596, 76072, 80142, 85581, 87894, 92777, 106856, 114108, 117192, 120213, 160284, 171162, 175788, 180671, 185554, 228216, 240426, 278331, 320568, 342324, 351576, 361342, 371108, 480852, 542013, 556662, 684648, 722684, 742216, 834993, 961704, 1084026, 1113324, 1445368, 1626039, 1669986, 2168052, 2226648, 3252078, 3339972, 3432749, 4336104, 6504156, 6679944, 6865498, 10298247, 13008312, 13730996, 20596494, 27461992, 30894741, 41192988, 61789482, 82385976, 123578964, 247157928]

約数ペア:

[(1, 247157928), (2, 123578964), (3, 82385976), (4, 61789482), (6, 41192988), (8, 30894741), (9, 27461992), (12, 20596494), (18, 13730996), (19, 13008312), (24, 10298247), (36, 6865498), (37, 6679944), (38, 6504156), (57, 4336104), (72, 3432749), (74, 3339972), (76, 3252078), (111, 2226648), (114, 2168052), (148, 1669986), (152, 1626039), (171, 1445368), (222, 1113324), (228, 1084026), (257, 961704), (296, 834993), (333, 742216), (342, 722684), (361, 684648), (444, 556662), (456, 542013), (514, 480852), (666, 371108), (684, 361342), (703, 351576), (722, 342324), (771, 320568), (888, 278331), (1028, 240426), (1083, 228216), (1332, 185554), (1368, 180671), (1406, 175788), (1444, 171162), (1542, 160284), (2056, 120213), (2109, 117192), (2166, 114108), (2313, 106856), (2664, 92777), (2812, 87894), (2888, 85581), (3084, 80142), (3249, 76072), (4218, 58596), (4332, 57054), (4626, 53428), (4883, 50616), (5624, 43947), (6168, 40071), (6327, 39064), (6498, 38036), (8436, 29298), (8664, 28527), (9252, 26714), (9509, 25992), (9766, 25308), (12654, 19532), (12996, 19018), (13357, 18504), (14649, 16872)]