489731042

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 840913920

約数和(自身を除く): 351182878

約数列:

[1, 2, 19, 23, 38, 43, 46, 83, 86, 157, 166, 314, 437, 817, 874, 989, 1577, 1634, 1909, 1978, 2983, 3154, 3569, 3611, 3818, 5966, 6751, 7138, 7222, 13031, 13502, 18791, 26062, 36271, 37582, 67811, 68609, 72542, 82087, 128269, 135622, 137218, 155273, 164174, 247589, 256538, 299713, 310546, 495178, 560333, 599426, 1120666, 1559653, 2950187, 3119306, 5694547, 5900374, 10646327, 11389094, 12887659, 21292654, 25775318, 244865521, 489731042]

約数ペア:

[(1, 489731042), (2, 244865521), (19, 25775318), (23, 21292654), (38, 12887659), (43, 11389094), (46, 10646327), (83, 5900374), (86, 5694547), (157, 3119306), (166, 2950187), (314, 1559653), (437, 1120666), (817, 599426), (874, 560333), (989, 495178), (1577, 310546), (1634, 299713), (1909, 256538), (1978, 247589), (2983, 164174), (3154, 155273), (3569, 137218), (3611, 135622), (3818, 128269), (5966, 82087), (6751, 72542), (7138, 68609), (7222, 67811), (13031, 37582), (13502, 36271), (18791, 26062)]