306981778

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:550

約数の個数: 32

約数和(自身を含む): 483840000

約数和(自身を除く): 176858222

約数列:

[1, 2, 31, 62, 139, 179, 199, 278, 358, 398, 4309, 5549, 6169, 8618, 11098, 12338, 24881, 27661, 35621, 49762, 55322, 71242, 771311, 857491, 1104251, 1542622, 1714982, 2208502, 4951319, 9902638, 153490889, 306981778]

約数ペア:

[(1, 306981778), (2, 153490889), (31, 9902638), (62, 4951319), (139, 2208502), (179, 1714982), (199, 1542622), (278, 1104251), (358, 857491), (398, 771311), (4309, 71242), (5549, 55322), (6169, 49762), (8618, 35621), (11098, 27661), (12338, 24881)]