211540908

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{21577}}^1$

素因数の和:21646

約数の個数: 48

約数和(自身を含む): 531681920

約数和(自身を除く): 320141012

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 43, 57, 76, 86, 114, 129, 172, 228, 258, 516, 817, 1634, 2451, 3268, 4902, 9804, 21577, 43154, 64731, 86308, 129462, 258924, 409963, 819926, 927811, 1229889, 1639852, 1855622, 2459778, 2783433, 3711244, 4919556, 5566866, 11133732, 17628409, 35256818, 52885227, 70513636, 105770454, 211540908]

約数ペア:

[(1, 211540908), (2, 105770454), (3, 70513636), (4, 52885227), (6, 35256818), (12, 17628409), (19, 11133732), (38, 5566866), (43, 4919556), (57, 3711244), (76, 2783433), (86, 2459778), (114, 1855622), (129, 1639852), (172, 1229889), (228, 927811), (258, 819926), (516, 409963), (817, 258924), (1634, 129462), (2451, 86308), (3268, 64731), (4902, 43154), (9804, 21577)]