261578772

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79847}}^1$

素因数の和:79877

約数の個数: 72

約数和(自身を含む): 813810816

約数和(自身を除く): 552232044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 79847, 159694, 239541, 319388, 479082, 558929, 718623, 958164, 1038011, 1117858, 1437246, 1676787, 2076022, 2235716, 2874492, 3114033, 3353574, 4152044, 5030361, 6228066, 6707148, 7266077, 9342099, 10060722, 12456132, 14532154, 18684198, 20121444, 21798231, 29064308, 37368396, 43596462, 65394693, 87192924, 130789386, 261578772]

約数ペア:

[(1, 261578772), (2, 130789386), (3, 87192924), (4, 65394693), (6, 43596462), (7, 37368396), (9, 29064308), (12, 21798231), (13, 20121444), (14, 18684198), (18, 14532154), (21, 12456132), (26, 10060722), (28, 9342099), (36, 7266077), (39, 6707148), (42, 6228066), (52, 5030361), (63, 4152044), (78, 3353574), (84, 3114033), (91, 2874492), (117, 2235716), (126, 2076022), (156, 1676787), (182, 1437246), (234, 1117858), (252, 1038011), (273, 958164), (364, 718623), (468, 558929), (546, 479082), (819, 319388), (1092, 239541), (1638, 159694), (3276, 79847)]