131478936

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:261

約数の個数: 128

約数和(自身を含む): 364953600

約数和(自身を除く): 233474664

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 31, 38, 57, 62, 71, 76, 93, 114, 124, 131, 142, 152, 186, 213, 228, 248, 262, 284, 372, 393, 426, 456, 524, 568, 589, 744, 786, 852, 1048, 1178, 1349, 1572, 1704, 1767, 2201, 2356, 2489, 2698, 3144, 3534, 4047, 4061, 4402, 4712, 4978, 5396, 6603, 7068, 7467, 8094, 8122, 8804, 9301, 9956, 10792, 12183, 13206, 14136, 14934, 16188, 16244, 17608, 18602, 19912, 24366, 26412, 27903, 29868, 32376, 32488, 37204, 41819, 48732, 52824, 55806, 59736, 74408, 77159, 83638, 97464, 111612, 125457, 154318, 167276, 176719, 223224, 231477, 250914, 288331, 308636, 334552, 353438, 462954, 501828, 530157, 576662, 617272, 706876, 864993, 925908, 1003656, 1060314, 1153324, 1413752, 1729986, 1851816, 2120628, 2306648, 3459972, 4241256, 5478289, 6919944, 10956578, 16434867, 21913156, 32869734, 43826312, 65739468, 131478936]

約数ペア:

[(1, 131478936), (2, 65739468), (3, 43826312), (4, 32869734), (6, 21913156), (8, 16434867), (12, 10956578), (19, 6919944), (24, 5478289), (31, 4241256), (38, 3459972), (57, 2306648), (62, 2120628), (71, 1851816), (76, 1729986), (93, 1413752), (114, 1153324), (124, 1060314), (131, 1003656), (142, 925908), (152, 864993), (186, 706876), (213, 617272), (228, 576662), (248, 530157), (262, 501828), (284, 462954), (372, 353438), (393, 334552), (426, 308636), (456, 288331), (524, 250914), (568, 231477), (589, 223224), (744, 176719), (786, 167276), (852, 154318), (1048, 125457), (1178, 111612), (1349, 97464), (1572, 83638), (1704, 77159), (1767, 74408), (2201, 59736), (2356, 55806), (2489, 52824), (2698, 48732), (3144, 41819), (3534, 37204), (4047, 32488), (4061, 32376), (4402, 29868), (4712, 27903), (4978, 26412), (5396, 24366), (6603, 19912), (7068, 18602), (7467, 17608), (8094, 16244), (8122, 16188), (8804, 14934), (9301, 14136), (9956, 13206), (10792, 12183)]