991021226

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1\times {\mathrm{2591}}^1$

素因数の和:2966

約数の個数: 32

約数和(自身を含む): 1640798208

約数和(自身を除く): 649776982

約数列:

[1, 2, 13, 26, 47, 94, 313, 611, 626, 1222, 2591, 4069, 5182, 8138, 14711, 29422, 33683, 67366, 121777, 191243, 243554, 382486, 810983, 1583101, 1621966, 3166202, 10542779, 21085558, 38116201, 76232402, 495510613, 991021226]

約数ペア:

[(1, 991021226), (2, 495510613), (13, 76232402), (26, 38116201), (47, 21085558), (94, 10542779), (313, 3166202), (611, 1621966), (626, 1583101), (1222, 810983), (2591, 382486), (4069, 243554), (5182, 191243), (8138, 121777), (14711, 67366), (29422, 33683)]