30193163

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 12707317

約数列:

[1, 7, 11, 13, 31, 49, 77, 91, 139, 143, 217, 341, 403, 539, 637, 973, 1001, 1519, 1529, 1807, 2387, 2821, 4309, 4433, 6811, 7007, 10703, 12649, 16709, 19747, 19877, 30163, 31031, 47399, 56017, 74921, 88543, 139139, 211141, 217217, 331793, 392119, 616187, 973973, 2322551, 2744833, 4313309, 30193163]

約数ペア:

[(1, 30193163), (7, 4313309), (11, 2744833), (13, 2322551), (31, 973973), (49, 616187), (77, 392119), (91, 331793), (139, 217217), (143, 211141), (217, 139139), (341, 88543), (403, 74921), (539, 56017), (637, 47399), (973, 31031), (1001, 30163), (1519, 19877), (1529, 19747), (1807, 16709), (2387, 12649), (2821, 10703), (4309, 7007), (4433, 6811)]