215230964

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 432875520

約数和(自身を除く): 217644556

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 109, 127, 169, 218, 254, 299, 338, 436, 508, 598, 676, 1196, 1417, 1651, 2507, 2834, 2921, 3302, 3887, 5014, 5668, 5842, 6604, 7774, 10028, 11684, 13843, 15548, 18421, 21463, 27686, 32591, 36842, 37973, 42926, 55372, 65182, 73684, 75946, 85852, 130364, 151892, 179959, 318389, 359918, 423683, 493649, 636778, 719836, 847366, 987298, 1273556, 1694732, 1974596, 2339467, 4139057, 4678934, 8278114, 9357868, 16556228, 53807741, 107615482, 215230964]

約数ペア:

[(1, 215230964), (2, 107615482), (4, 53807741), (13, 16556228), (23, 9357868), (26, 8278114), (46, 4678934), (52, 4139057), (92, 2339467), (109, 1974596), (127, 1694732), (169, 1273556), (218, 987298), (254, 847366), (299, 719836), (338, 636778), (436, 493649), (508, 423683), (598, 359918), (676, 318389), (1196, 179959), (1417, 151892), (1651, 130364), (2507, 85852), (2834, 75946), (2921, 73684), (3302, 65182), (3887, 55372), (5014, 42926), (5668, 37973), (5842, 36842), (6604, 32591), (7774, 27686), (10028, 21463), (11684, 18421), (13843, 15548)]