1640706246

素因数分解:

$2^1\times 3^3\times {\mathrm{137}}^1\times {\mathrm{463}}^1\times {\mathrm{479}}^1$

素因数の和:1090

約数の個数: 64

約数和(自身を含む): 3688243200

約数和(自身を除く): 2047536954

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 137, 274, 411, 463, 479, 822, 926, 958, 1233, 1389, 1437, 2466, 2778, 2874, 3699, 4167, 4311, 7398, 8334, 8622, 12501, 12933, 25002, 25866, 63431, 65623, 126862, 131246, 190293, 196869, 221777, 380586, 393738, 443554, 570879, 590607, 665331, 1141758, 1181214, 1330662, 1712637, 1771821, 1995993, 3425274, 3543642, 3991986, 5987979, 11975958, 30383449, 60766898, 91150347, 182300694, 273451041, 546902082, 820353123, 1640706246]

約数ペア:

[(1, 1640706246), (2, 820353123), (3, 546902082), (6, 273451041), (9, 182300694), (18, 91150347), (27, 60766898), (54, 30383449), (137, 11975958), (274, 5987979), (411, 3991986), (463, 3543642), (479, 3425274), (822, 1995993), (926, 1771821), (958, 1712637), (1233, 1330662), (1389, 1181214), (1437, 1141758), (2466, 665331), (2778, 590607), (2874, 570879), (3699, 443554), (4167, 393738), (4311, 380586), (7398, 221777), (8334, 196869), (8622, 190293), (12501, 131246), (12933, 126862), (25002, 65623), (25866, 63431)]