128569428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{761}}^1$

素因数の和:822

約数の個数: 108

約数和(自身を含む): 369870228

約数和(自身を除く): 241300800

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 361, 468, 494, 684, 722, 741, 761, 988, 1083, 1444, 1482, 1522, 2166, 2223, 2283, 2964, 3044, 3249, 4332, 4446, 4566, 4693, 6498, 6849, 8892, 9132, 9386, 9893, 12996, 13698, 14079, 14459, 18772, 19786, 27396, 28158, 28918, 29679, 39572, 42237, 43377, 56316, 57836, 59358, 84474, 86754, 89037, 118716, 130131, 168948, 173508, 178074, 187967, 260262, 274721, 356148, 375934, 520524, 549442, 563901, 751868, 824163, 1098884, 1127802, 1648326, 1691703, 2255604, 2472489, 3296652, 3383406, 3571373, 4944978, 6766812, 7142746, 9889956, 10714119, 14285492, 21428238, 32142357, 42856476, 64284714, 128569428]

約数ペア:

[(1, 128569428), (2, 64284714), (3, 42856476), (4, 32142357), (6, 21428238), (9, 14285492), (12, 10714119), (13, 9889956), (18, 7142746), (19, 6766812), (26, 4944978), (36, 3571373), (38, 3383406), (39, 3296652), (52, 2472489), (57, 2255604), (76, 1691703), (78, 1648326), (114, 1127802), (117, 1098884), (156, 824163), (171, 751868), (228, 563901), (234, 549442), (247, 520524), (342, 375934), (361, 356148), (468, 274721), (494, 260262), (684, 187967), (722, 178074), (741, 173508), (761, 168948), (988, 130131), (1083, 118716), (1444, 89037), (1482, 86754), (1522, 84474), (2166, 59358), (2223, 57836), (2283, 56316), (2964, 43377), (3044, 42237), (3249, 39572), (4332, 29679), (4446, 28918), (4566, 28158), (4693, 27396), (6498, 19786), (6849, 18772), (8892, 14459), (9132, 14079), (9386, 13698), (9893, 12996)]