163478128

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:171

約数の個数: 120

約数和(自身を含む): 380975616

約数和(自身を除く): 217497488

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 31, 38, 44, 62, 76, 83, 88, 124, 152, 166, 176, 209, 248, 304, 332, 341, 361, 418, 496, 589, 664, 682, 722, 836, 913, 1178, 1328, 1364, 1444, 1577, 1672, 1826, 2356, 2573, 2728, 2888, 3154, 3344, 3652, 3971, 4712, 5146, 5456, 5776, 6308, 6479, 7304, 7942, 9424, 10292, 11191, 12616, 12958, 14608, 15884, 17347, 20584, 22382, 25232, 25916, 28303, 29963, 31768, 34694, 41168, 44764, 48887, 51832, 56606, 59926, 63536, 69388, 89528, 97774, 103664, 113212, 119852, 123101, 138776, 179056, 195548, 226424, 239704, 246202, 277552, 329593, 391096, 452848, 479408, 492404, 537757, 659186, 782192, 928853, 984808, 1075514, 1318372, 1857706, 1969616, 2151028, 2636744, 3715412, 4302056, 5273488, 7430824, 8604112, 10217383, 14861648, 20434766, 40869532, 81739064, 163478128]

約数ペア:

[(1, 163478128), (2, 81739064), (4, 40869532), (8, 20434766), (11, 14861648), (16, 10217383), (19, 8604112), (22, 7430824), (31, 5273488), (38, 4302056), (44, 3715412), (62, 2636744), (76, 2151028), (83, 1969616), (88, 1857706), (124, 1318372), (152, 1075514), (166, 984808), (176, 928853), (209, 782192), (248, 659186), (304, 537757), (332, 492404), (341, 479408), (361, 452848), (418, 391096), (496, 329593), (589, 277552), (664, 246202), (682, 239704), (722, 226424), (836, 195548), (913, 179056), (1178, 138776), (1328, 123101), (1364, 119852), (1444, 113212), (1577, 103664), (1672, 97774), (1826, 89528), (2356, 69388), (2573, 63536), (2728, 59926), (2888, 56606), (3154, 51832), (3344, 48887), (3652, 44764), (3971, 41168), (4712, 34694), (5146, 31768), (5456, 29963), (5776, 28303), (6308, 25916), (6479, 25232), (7304, 22382), (7942, 20584), (9424, 17347), (10292, 15884), (11191, 14608), (12616, 12958)]