997887888

素因数分解:

$2^4\times 3^2\times {\mathrm{97}}^1\times {\mathrm{199}}^1\times {\mathrm{359}}^1$

素因数の和:669

約数の個数: 120

約数和(自身を含む): 2843568000

約数和(自身を除く): 1845680112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 97, 144, 194, 199, 291, 359, 388, 398, 582, 597, 718, 776, 796, 873, 1077, 1164, 1194, 1436, 1552, 1592, 1746, 1791, 2154, 2328, 2388, 2872, 3184, 3231, 3492, 3582, 4308, 4656, 4776, 5744, 6462, 6984, 7164, 8616, 9552, 12924, 13968, 14328, 17232, 19303, 25848, 28656, 34823, 38606, 51696, 57909, 69646, 71441, 77212, 104469, 115818, 139292, 142882, 154424, 173727, 208938, 214323, 231636, 278584, 285764, 308848, 313407, 347454, 417876, 428646, 463272, 557168, 571528, 626814, 642969, 694908, 835752, 857292, 926544, 1143056, 1253628, 1285938, 1389816, 1671504, 1714584, 2507256, 2571876, 2779632, 3429168, 5014512, 5143752, 6929777, 10287504, 13859554, 20789331, 27719108, 41578662, 55438216, 62367993, 83157324, 110876432, 124735986, 166314648, 249471972, 332629296, 498943944, 997887888]

約数ペア:

[(1, 997887888), (2, 498943944), (3, 332629296), (4, 249471972), (6, 166314648), (8, 124735986), (9, 110876432), (12, 83157324), (16, 62367993), (18, 55438216), (24, 41578662), (36, 27719108), (48, 20789331), (72, 13859554), (97, 10287504), (144, 6929777), (194, 5143752), (199, 5014512), (291, 3429168), (359, 2779632), (388, 2571876), (398, 2507256), (582, 1714584), (597, 1671504), (718, 1389816), (776, 1285938), (796, 1253628), (873, 1143056), (1077, 926544), (1164, 857292), (1194, 835752), (1436, 694908), (1552, 642969), (1592, 626814), (1746, 571528), (1791, 557168), (2154, 463272), (2328, 428646), (2388, 417876), (2872, 347454), (3184, 313407), (3231, 308848), (3492, 285764), (3582, 278584), (4308, 231636), (4656, 214323), (4776, 208938), (5744, 173727), (6462, 154424), (6984, 142882), (7164, 139292), (8616, 115818), (9552, 104469), (12924, 77212), (13968, 71441), (14328, 69646), (17232, 57909), (19303, 51696), (25848, 38606), (28656, 34823)]