1904254121

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 2464862400

約数和(自身を除く): 560608279

約数列:

[1, 7, 11, 49, 77, 131, 149, 181, 539, 917, 1043, 1267, 1441, 1639, 1991, 6419, 7301, 8869, 10087, 11473, 13937, 19519, 23711, 26969, 70609, 80311, 97559, 136633, 165977, 188783, 214709, 260821, 296659, 956431, 1161839, 1321481, 1502963, 1825747, 2076613, 3532939, 10520741, 12780229, 14536291, 24730573, 38862329, 173114011, 272036303, 1904254121]

約数ペア:

[(1, 1904254121), (7, 272036303), (11, 173114011), (49, 38862329), (77, 24730573), (131, 14536291), (149, 12780229), (181, 10520741), (539, 3532939), (917, 2076613), (1043, 1825747), (1267, 1502963), (1441, 1321481), (1639, 1161839), (1991, 956431), (6419, 296659), (7301, 260821), (8869, 214709), (10087, 188783), (11473, 165977), (13937, 136633), (19519, 97559), (23711, 80311), (26969, 70609)]