254865198

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{3209}}^1$

素因数の和:3313

約数の個数: 64

約数和(自身を含む): 611389440

約数和(自身を除く): 356524242

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 61, 62, 93, 122, 183, 186, 217, 366, 427, 434, 651, 854, 1281, 1302, 1891, 2562, 3209, 3782, 5673, 6418, 9627, 11346, 13237, 19254, 22463, 26474, 39711, 44926, 67389, 79422, 99479, 134778, 195749, 198958, 298437, 391498, 587247, 596874, 696353, 1174494, 1370243, 1392706, 2089059, 2740486, 4110729, 4178118, 6068219, 8221458, 12136438, 18204657, 36409314, 42477533, 84955066, 127432599, 254865198]

約数ペア:

[(1, 254865198), (2, 127432599), (3, 84955066), (6, 42477533), (7, 36409314), (14, 18204657), (21, 12136438), (31, 8221458), (42, 6068219), (61, 4178118), (62, 4110729), (93, 2740486), (122, 2089059), (183, 1392706), (186, 1370243), (217, 1174494), (366, 696353), (427, 596874), (434, 587247), (651, 391498), (854, 298437), (1281, 198958), (1302, 195749), (1891, 134778), (2562, 99479), (3209, 79422), (3782, 67389), (5673, 44926), (6418, 39711), (9627, 26474), (11346, 22463), (13237, 19254)]