289908038

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{907}}^1$

素因数の和:1029

約数の個数: 48

約数和(自身を含む): 535211520

約数和(自身を除く): 245303482

約数列:

[1, 2, 7, 14, 17, 34, 79, 119, 158, 238, 289, 553, 578, 907, 1106, 1343, 1814, 2023, 2686, 4046, 6349, 9401, 12698, 15419, 18802, 22831, 30838, 45662, 71653, 107933, 143306, 159817, 215866, 262123, 319634, 501571, 524246, 1003142, 1218101, 1834861, 2436202, 3669722, 8526707, 17053414, 20707717, 41415434, 144954019, 289908038]

約数ペア:

[(1, 289908038), (2, 144954019), (7, 41415434), (14, 20707717), (17, 17053414), (34, 8526707), (79, 3669722), (119, 2436202), (158, 1834861), (238, 1218101), (289, 1003142), (553, 524246), (578, 501571), (907, 319634), (1106, 262123), (1343, 215866), (1814, 159817), (2023, 143306), (2686, 107933), (4046, 71653), (6349, 45662), (9401, 30838), (12698, 22831), (15419, 18802)]