217048468

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{1487}}^1$

素因数の和:1912

約数の個数: 48

約数和(自身を含む): 468969984

約数和(自身を除く): 251921516

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 401, 802, 1487, 1604, 2807, 2974, 5213, 5614, 5948, 10409, 10426, 11228, 19331, 20818, 20852, 36491, 38662, 41636, 72982, 77324, 135317, 145964, 270634, 541268, 596287, 1192574, 2385148, 4174009, 7751731, 8348018, 15503462, 16696036, 31006924, 54262117, 108524234, 217048468]

約数ペア:

[(1, 217048468), (2, 108524234), (4, 54262117), (7, 31006924), (13, 16696036), (14, 15503462), (26, 8348018), (28, 7751731), (52, 4174009), (91, 2385148), (182, 1192574), (364, 596287), (401, 541268), (802, 270634), (1487, 145964), (1604, 135317), (2807, 77324), (2974, 72982), (5213, 41636), (5614, 38662), (5948, 36491), (10409, 20852), (10426, 20818), (11228, 19331)]