81178604

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{701}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 163459296

約数和(自身を除く): 82280692

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 131, 221, 262, 442, 524, 701, 884, 1402, 1703, 2227, 2804, 3406, 4454, 6812, 8908, 9113, 11917, 18226, 23834, 28951, 36452, 47668, 57902, 91831, 115804, 154921, 183662, 309842, 367324, 619684, 1193803, 1561127, 2387606, 3122254, 4775212, 6244508, 20294651, 40589302, 81178604]

約数ペア:

[(1, 81178604), (2, 40589302), (4, 20294651), (13, 6244508), (17, 4775212), (26, 3122254), (34, 2387606), (52, 1561127), (68, 1193803), (131, 619684), (221, 367324), (262, 309842), (442, 183662), (524, 154921), (701, 115804), (884, 91831), (1402, 57902), (1703, 47668), (2227, 36452), (2804, 28951), (3406, 23834), (4454, 18226), (6812, 11917), (8908, 9113)]