156991338

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21859}}^1$

素因数の和:21896

約数の個数: 64

約数和(自身を含む): 419712000

約数和(自身を除く): 262720662

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 114, 126, 133, 171, 189, 266, 342, 378, 399, 513, 798, 1026, 1197, 2394, 3591, 7182, 21859, 43718, 65577, 131154, 153013, 196731, 306026, 393462, 415321, 459039, 590193, 830642, 918078, 1180386, 1245963, 1377117, 2491926, 2754234, 2907247, 3737889, 4131351, 5814494, 7475778, 8262702, 8721741, 11213667, 17443482, 22427334, 26165223, 52330446, 78495669, 156991338]

約数ペア:

[(1, 156991338), (2, 78495669), (3, 52330446), (6, 26165223), (7, 22427334), (9, 17443482), (14, 11213667), (18, 8721741), (19, 8262702), (21, 7475778), (27, 5814494), (38, 4131351), (42, 3737889), (54, 2907247), (57, 2754234), (63, 2491926), (114, 1377117), (126, 1245963), (133, 1180386), (171, 918078), (189, 830642), (266, 590193), (342, 459039), (378, 415321), (399, 393462), (513, 306026), (798, 196731), (1026, 153013), (1197, 131154), (2394, 65577), (3591, 43718), (7182, 21859)]