8221642

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:151

約数の個数: 64

約数和(自身を含む): 16329600

約数和(自身を除く): 8107958

約数列:

[1, 2, 11, 13, 17, 19, 22, 26, 34, 38, 89, 143, 178, 187, 209, 221, 247, 286, 323, 374, 418, 442, 494, 646, 979, 1157, 1513, 1691, 1958, 2314, 2431, 2717, 3026, 3382, 3553, 4199, 4862, 5434, 7106, 8398, 12727, 16643, 18601, 19669, 21983, 25454, 28747, 33286, 37202, 39338, 43966, 46189, 57494, 92378, 216359, 241813, 316217, 373711, 432718, 483626, 632434, 747422, 4110821, 8221642]

約数ペア:

[(1, 8221642), (2, 4110821), (11, 747422), (13, 632434), (17, 483626), (19, 432718), (22, 373711), (26, 316217), (34, 241813), (38, 216359), (89, 92378), (143, 57494), (178, 46189), (187, 43966), (209, 39338), (221, 37202), (247, 33286), (286, 28747), (323, 25454), (374, 21983), (418, 19669), (442, 18601), (494, 16643), (646, 12727), (979, 8398), (1157, 7106), (1513, 5434), (1691, 4862), (1958, 4199), (2314, 3553), (2431, 3382), (2717, 3026)]