238781354

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{241}}^1$

素因数の和:471

約数の個数: 64

約数和(自身を含む): 456648192

約数和(自身を除く): 217866838

約数列:

[1, 2, 7, 14, 17, 23, 34, 46, 119, 161, 181, 238, 241, 322, 362, 391, 482, 782, 1267, 1687, 2534, 2737, 3077, 3374, 4097, 4163, 5474, 5543, 6154, 8194, 8326, 11086, 21539, 28679, 29141, 38801, 43078, 43621, 57358, 58282, 70771, 77602, 87242, 94231, 141542, 188462, 305347, 495397, 610694, 659617, 741557, 990794, 1003283, 1319234, 1483114, 2006566, 5190899, 7022981, 10381798, 14045962, 17055811, 34111622, 119390677, 238781354]

約数ペア:

[(1, 238781354), (2, 119390677), (7, 34111622), (14, 17055811), (17, 14045962), (23, 10381798), (34, 7022981), (46, 5190899), (119, 2006566), (161, 1483114), (181, 1319234), (238, 1003283), (241, 990794), (322, 741557), (362, 659617), (391, 610694), (482, 495397), (782, 305347), (1267, 188462), (1687, 141542), (2534, 94231), (2737, 87242), (3077, 77602), (3374, 70771), (4097, 58282), (4163, 57358), (5474, 43621), (5543, 43078), (6154, 38801), (8194, 29141), (8326, 28679), (11086, 21539)]