219811452

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{31}}^2\times {\mathrm{389}}^1$

素因数の和:472

約数の個数: 108

約数和(自身を含む): 618082920

約数和(自身を除く): 398271468

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 49, 62, 84, 93, 98, 124, 147, 186, 196, 217, 294, 372, 389, 434, 588, 651, 778, 868, 961, 1167, 1302, 1519, 1556, 1922, 2334, 2604, 2723, 2883, 3038, 3844, 4557, 4668, 5446, 5766, 6076, 6727, 8169, 9114, 10892, 11532, 12059, 13454, 16338, 18228, 19061, 20181, 24118, 26908, 32676, 36177, 38122, 40362, 47089, 48236, 57183, 72354, 76244, 80724, 84413, 94178, 114366, 141267, 144708, 168826, 188356, 228732, 253239, 282534, 337652, 373829, 506478, 565068, 590891, 747658, 1012956, 1121487, 1181782, 1495316, 1772673, 2242974, 2363564, 2616803, 3545346, 4485948, 5233606, 7090692, 7850409, 10467212, 15700818, 18317621, 31401636, 36635242, 54952863, 73270484, 109905726, 219811452]

約数ペア:

[(1, 219811452), (2, 109905726), (3, 73270484), (4, 54952863), (6, 36635242), (7, 31401636), (12, 18317621), (14, 15700818), (21, 10467212), (28, 7850409), (31, 7090692), (42, 5233606), (49, 4485948), (62, 3545346), (84, 2616803), (93, 2363564), (98, 2242974), (124, 1772673), (147, 1495316), (186, 1181782), (196, 1121487), (217, 1012956), (294, 747658), (372, 590891), (389, 565068), (434, 506478), (588, 373829), (651, 337652), (778, 282534), (868, 253239), (961, 228732), (1167, 188356), (1302, 168826), (1519, 144708), (1556, 141267), (1922, 114366), (2334, 94178), (2604, 84413), (2723, 80724), (2883, 76244), (3038, 72354), (3844, 57183), (4557, 48236), (4668, 47089), (5446, 40362), (5766, 38122), (6076, 36177), (6727, 32676), (8169, 26908), (9114, 24118), (10892, 20181), (11532, 19061), (12059, 18228), (13454, 16338)]