257982228

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53881}}^1$

素因数の和:53917

約数の個数: 72

約数和(自身を含む): 784521920

約数和(自身を除く): 526539692

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4788, 53881, 107762, 161643, 215524, 323286, 377167, 484929, 646572, 754334, 969858, 1023739, 1131501, 1508668, 1939716, 2047478, 2263002, 3071217, 3394503, 4094956, 4526004, 6142434, 6789006, 7166173, 9213651, 12284868, 13578012, 14332346, 18427302, 21498519, 28664692, 36854604, 42997038, 64495557, 85994076, 128991114, 257982228]

約数ペア:

[(1, 257982228), (2, 128991114), (3, 85994076), (4, 64495557), (6, 42997038), (7, 36854604), (9, 28664692), (12, 21498519), (14, 18427302), (18, 14332346), (19, 13578012), (21, 12284868), (28, 9213651), (36, 7166173), (38, 6789006), (42, 6142434), (57, 4526004), (63, 4094956), (76, 3394503), (84, 3071217), (114, 2263002), (126, 2047478), (133, 1939716), (171, 1508668), (228, 1131501), (252, 1023739), (266, 969858), (342, 754334), (399, 646572), (532, 484929), (684, 377167), (798, 323286), (1197, 215524), (1596, 161643), (2394, 107762), (4788, 53881)]