209344984

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 422231040

約数和(自身を除く): 212886056

約数列:

[1, 2, 4, 8, 31, 43, 62, 67, 86, 124, 134, 172, 248, 268, 293, 344, 536, 586, 1172, 1333, 2077, 2344, 2666, 2881, 4154, 5332, 5762, 8308, 9083, 10664, 11524, 12599, 16616, 18166, 19631, 23048, 25198, 36332, 39262, 50396, 72664, 78524, 89311, 100792, 157048, 178622, 357244, 390569, 608561, 714488, 781138, 844133, 1217122, 1562276, 1688266, 2434244, 3124552, 3376532, 4868488, 6753064, 26168123, 52336246, 104672492, 209344984]

約数ペア:

[(1, 209344984), (2, 104672492), (4, 52336246), (8, 26168123), (31, 6753064), (43, 4868488), (62, 3376532), (67, 3124552), (86, 2434244), (124, 1688266), (134, 1562276), (172, 1217122), (248, 844133), (268, 781138), (293, 714488), (344, 608561), (536, 390569), (586, 357244), (1172, 178622), (1333, 157048), (2077, 100792), (2344, 89311), (2666, 78524), (2881, 72664), (4154, 50396), (5332, 39262), (5762, 36332), (8308, 25198), (9083, 23048), (10664, 19631), (11524, 18166), (12599, 16616)]