142821672

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{121447}}^1$

素因数の和:121470

約数の個数: 48

約数和(自身を含む): 415352160

約数和(自身を除く): 272530488

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 588, 1176, 121447, 242894, 364341, 485788, 728682, 850129, 971576, 1457364, 1700258, 2550387, 2914728, 3400516, 5100774, 5950903, 6801032, 10201548, 11901806, 17852709, 20403096, 23803612, 35705418, 47607224, 71410836, 142821672]

約数ペア:

[(1, 142821672), (2, 71410836), (3, 47607224), (4, 35705418), (6, 23803612), (7, 20403096), (8, 17852709), (12, 11901806), (14, 10201548), (21, 6801032), (24, 5950903), (28, 5100774), (42, 3400516), (49, 2914728), (56, 2550387), (84, 1700258), (98, 1457364), (147, 971576), (168, 850129), (196, 728682), (294, 485788), (392, 364341), (588, 242894), (1176, 121447)]