1387908

素因数分解:

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

素因数の和:265

約数の個数: 48

約数和(自身を含む): 3669120

約数和(自身を除く): 2281212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 108, 142, 181, 213, 284, 362, 426, 543, 639, 724, 852, 1086, 1278, 1629, 1917, 2172, 2556, 3258, 3834, 4887, 6516, 7668, 9774, 12851, 19548, 25702, 38553, 51404, 77106, 115659, 154212, 231318, 346977, 462636, 693954, 1387908]

約数ペア:

[(1, 1387908), (2, 693954), (3, 462636), (4, 346977), (6, 231318), (9, 154212), (12, 115659), (18, 77106), (27, 51404), (36, 38553), (54, 25702), (71, 19548), (108, 12851), (142, 9774), (181, 7668), (213, 6516), (284, 4887), (362, 3834), (426, 3258), (543, 2556), (639, 2172), (724, 1917), (852, 1629), (1086, 1278)]