71978612

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{55711}}^1$

素因数の和:55751

約数の個数: 24

約数和(自身を含む): 140394240

約数和(自身を除く): 68415628

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 55711, 111422, 222844, 947087, 1058509, 1894174, 2117018, 3788348, 4234036, 17994653, 35989306, 71978612]

約数ペア:

[(1, 71978612), (2, 35989306), (4, 17994653), (17, 4234036), (19, 3788348), (34, 2117018), (38, 1894174), (68, 1058509), (76, 947087), (323, 222844), (646, 111422), (1292, 55711)]