28937636

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 65222136

約数和(自身を除く): 36284500

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 41, 49, 52, 82, 91, 98, 164, 182, 196, 277, 287, 364, 533, 554, 574, 637, 1066, 1108, 1148, 1274, 1939, 2009, 2132, 2548, 3601, 3731, 3878, 4018, 7202, 7462, 7756, 8036, 11357, 13573, 14404, 14924, 22714, 25207, 26117, 27146, 45428, 50414, 52234, 54292, 79499, 100828, 104468, 147641, 158998, 176449, 295282, 317996, 352898, 556493, 590564, 705796, 1033487, 1112986, 2066974, 2225972, 4133948, 7234409, 14468818, 28937636]

約数ペア:

[(1, 28937636), (2, 14468818), (4, 7234409), (7, 4133948), (13, 2225972), (14, 2066974), (26, 1112986), (28, 1033487), (41, 705796), (49, 590564), (52, 556493), (82, 352898), (91, 317996), (98, 295282), (164, 176449), (182, 158998), (196, 147641), (277, 104468), (287, 100828), (364, 79499), (533, 54292), (554, 52234), (574, 50414), (637, 45428), (1066, 27146), (1108, 26117), (1148, 25207), (1274, 22714), (1939, 14924), (2009, 14404), (2132, 13573), (2548, 11357), (3601, 8036), (3731, 7756), (3878, 7462), (4018, 7202)]