1619226

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:267

約数の個数: 48

約数和(自身を含む): 4088448

約数和(自身を除く): 2469222

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 71, 126, 142, 181, 213, 362, 426, 497, 543, 639, 994, 1086, 1267, 1278, 1491, 1629, 2534, 2982, 3258, 3801, 4473, 7602, 8946, 11403, 12851, 22806, 25702, 38553, 77106, 89957, 115659, 179914, 231318, 269871, 539742, 809613, 1619226]

約数ペア:

[(1, 1619226), (2, 809613), (3, 539742), (6, 269871), (7, 231318), (9, 179914), (14, 115659), (18, 89957), (21, 77106), (42, 38553), (63, 25702), (71, 22806), (126, 12851), (142, 11403), (181, 8946), (213, 7602), (362, 4473), (426, 3801), (497, 3258), (543, 2982), (639, 2534), (994, 1629), (1086, 1491), (1267, 1278)]