221213772

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 627419520

約数和(自身を除く): 406205748

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 47, 52, 78, 89, 94, 113, 117, 141, 156, 178, 188, 226, 234, 267, 282, 339, 356, 423, 452, 468, 534, 564, 611, 678, 801, 846, 1017, 1068, 1157, 1222, 1356, 1469, 1602, 1692, 1833, 2034, 2314, 2444, 2938, 3204, 3471, 3666, 4068, 4183, 4407, 4628, 5311, 5499, 5876, 6942, 7332, 8366, 8814, 10057, 10413, 10622, 10998, 12549, 13221, 13884, 15933, 16732, 17628, 20114, 20826, 21244, 21996, 25098, 26442, 30171, 31866, 37647, 40228, 41652, 47799, 50196, 52884, 54379, 60342, 63732, 69043, 75294, 90513, 95598, 108758, 120684, 130741, 138086, 150588, 163137, 181026, 191196, 207129, 217516, 261482, 276172, 326274, 362052, 392223, 414258, 472679, 489411, 522964, 621387, 652548, 784446, 828516, 945358, 978822, 1176669, 1242774, 1418037, 1568892, 1890716, 1957644, 2353338, 2485548, 2836074, 4254111, 4706676, 5672148, 6144827, 8508222, 12289654, 17016444, 18434481, 24579308, 36868962, 55303443, 73737924, 110606886, 221213772]

約数ペア:

[(1, 221213772), (2, 110606886), (3, 73737924), (4, 55303443), (6, 36868962), (9, 24579308), (12, 18434481), (13, 17016444), (18, 12289654), (26, 8508222), (36, 6144827), (39, 5672148), (47, 4706676), (52, 4254111), (78, 2836074), (89, 2485548), (94, 2353338), (113, 1957644), (117, 1890716), (141, 1568892), (156, 1418037), (178, 1242774), (188, 1176669), (226, 978822), (234, 945358), (267, 828516), (282, 784446), (339, 652548), (356, 621387), (423, 522964), (452, 489411), (468, 472679), (534, 414258), (564, 392223), (611, 362052), (678, 326274), (801, 276172), (846, 261482), (1017, 217516), (1068, 207129), (1157, 191196), (1222, 181026), (1356, 163137), (1469, 150588), (1602, 138086), (1692, 130741), (1833, 120684), (2034, 108758), (2314, 95598), (2444, 90513), (2938, 75294), (3204, 69043), (3471, 63732), (3666, 60342), (4068, 54379), (4183, 52884), (4407, 50196), (4628, 47799), (5311, 41652), (5499, 40228), (5876, 37647), (6942, 31866), (7332, 30171), (8366, 26442), (8814, 25098), (10057, 21996), (10413, 21244), (10622, 20826), (10998, 20114), (12549, 17628), (13221, 16732), (13884, 15933)]