287996826

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{1367}}^1$

素因数の和:1495

約数の個数: 64

約数和(自身を含む): 646265088

約数和(自身を除く): 358268262

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 73, 74, 78, 111, 146, 219, 222, 438, 481, 949, 962, 1367, 1443, 1898, 2701, 2734, 2847, 2886, 4101, 5402, 5694, 8103, 8202, 16206, 17771, 35113, 35542, 50579, 53313, 70226, 99791, 101158, 105339, 106626, 151737, 199582, 210678, 299373, 303474, 598746, 657527, 1297283, 1315054, 1972581, 2594566, 3692267, 3891849, 3945162, 7384534, 7783698, 11076801, 22153602, 47999471, 95998942, 143998413, 287996826]

約数ペア:

[(1, 287996826), (2, 143998413), (3, 95998942), (6, 47999471), (13, 22153602), (26, 11076801), (37, 7783698), (39, 7384534), (73, 3945162), (74, 3891849), (78, 3692267), (111, 2594566), (146, 1972581), (219, 1315054), (222, 1297283), (438, 657527), (481, 598746), (949, 303474), (962, 299373), (1367, 210678), (1443, 199582), (1898, 151737), (2701, 106626), (2734, 105339), (2847, 101158), (2886, 99791), (4101, 70226), (5402, 53313), (5694, 50579), (8103, 35542), (8202, 35113), (16206, 17771)]