54678618

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{389}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 129168000

約数和(自身を除く): 74489382

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 137, 171, 274, 342, 389, 411, 513, 778, 822, 1026, 1167, 1233, 2334, 2466, 2603, 3501, 3699, 5206, 7002, 7391, 7398, 7809, 10503, 14782, 15618, 21006, 22173, 23427, 44346, 46854, 53293, 66519, 70281, 106586, 133038, 140562, 159879, 199557, 319758, 399114, 479637, 959274, 1012567, 1438911, 2025134, 2877822, 3037701, 6075402, 9113103, 18226206, 27339309, 54678618]

約数ペア:

[(1, 54678618), (2, 27339309), (3, 18226206), (6, 9113103), (9, 6075402), (18, 3037701), (19, 2877822), (27, 2025134), (38, 1438911), (54, 1012567), (57, 959274), (114, 479637), (137, 399114), (171, 319758), (274, 199557), (342, 159879), (389, 140562), (411, 133038), (513, 106586), (778, 70281), (822, 66519), (1026, 53293), (1167, 46854), (1233, 44346), (2334, 23427), (2466, 22173), (2603, 21006), (3501, 15618), (3699, 14782), (5206, 10503), (7002, 7809), (7391, 7398)]