12280004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 25408320

約数和(自身を除く): 13128316

約数列:

[1, 2, 4, 11, 19, 22, 37, 38, 44, 74, 76, 148, 209, 397, 407, 418, 703, 794, 814, 836, 1406, 1588, 1628, 2812, 4367, 7543, 7733, 8734, 14689, 15086, 15466, 17468, 29378, 30172, 30932, 58756, 82973, 161579, 165946, 279091, 323158, 331892, 558182, 646316, 1116364, 3070001, 6140002, 12280004]

約数ペア:

[(1, 12280004), (2, 6140002), (4, 3070001), (11, 1116364), (19, 646316), (22, 558182), (37, 331892), (38, 323158), (44, 279091), (74, 165946), (76, 161579), (148, 82973), (209, 58756), (397, 30932), (407, 30172), (418, 29378), (703, 17468), (794, 15466), (814, 15086), (836, 14689), (1406, 8734), (1588, 7733), (1628, 7543), (2812, 4367)]