243485456

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{21647}}^1$

素因数の和:21711

約数の個数: 40

約数和(自身を含む): 510026880

約数和(自身を除く): 266541424

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 74, 76, 148, 152, 296, 304, 592, 703, 1406, 2812, 5624, 11248, 21647, 43294, 86588, 173176, 346352, 411293, 800939, 822586, 1601878, 1645172, 3203756, 3290344, 6407512, 6580688, 12815024, 15217841, 30435682, 60871364, 121742728, 243485456]

約数ペア:

[(1, 243485456), (2, 121742728), (4, 60871364), (8, 30435682), (16, 15217841), (19, 12815024), (37, 6580688), (38, 6407512), (74, 3290344), (76, 3203756), (148, 1645172), (152, 1601878), (296, 822586), (304, 800939), (592, 411293), (703, 346352), (1406, 173176), (2812, 86588), (5624, 43294), (11248, 21647)]