278380942

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1\times {\mathrm{797}}^1$

素因数の和:1276

約数の個数: 32

約数和(自身を含む): 486843840

約数和(自身を除く): 208462898

約数列:

[1, 2, 7, 14, 61, 122, 409, 427, 797, 818, 854, 1594, 2863, 5579, 5726, 11158, 24949, 48617, 49898, 97234, 174643, 325973, 340319, 349286, 651946, 680638, 2281811, 4563622, 19884353, 39768706, 139190471, 278380942]

約数ペア:

[(1, 278380942), (2, 139190471), (7, 39768706), (14, 19884353), (61, 4563622), (122, 2281811), (409, 680638), (427, 651946), (797, 349286), (818, 340319), (854, 325973), (1594, 174643), (2863, 97234), (5579, 49898), (5726, 48617), (11158, 24949)]