78409485

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:448

約数の個数: 128

約数和(自身を含む): 183398400

約数和(自身を除く): 104988915

約数列:

[1, 3, 5, 7, 9, 11, 15, 19, 21, 27, 33, 35, 45, 55, 57, 63, 77, 95, 99, 105, 133, 135, 165, 171, 189, 209, 231, 285, 297, 315, 385, 397, 399, 495, 513, 627, 665, 693, 855, 945, 1045, 1155, 1191, 1197, 1463, 1485, 1881, 1985, 1995, 2079, 2565, 2779, 3135, 3465, 3573, 3591, 4367, 4389, 5643, 5955, 5985, 7315, 7543, 8337, 9405, 10395, 10719, 13101, 13167, 13895, 17865, 17955, 21835, 21945, 22629, 25011, 28215, 30569, 37715, 39303, 39501, 41685, 52801, 53595, 65505, 65835, 67887, 75033, 82973, 91707, 113145, 117909, 125055, 152845, 158403, 196515, 197505, 203661, 248919, 264005, 275121, 339435, 375165, 414865, 458535, 475209, 580811, 589545, 746757, 792015, 825363, 1018305, 1244595, 1375605, 1425627, 1742433, 2240271, 2376045, 2904055, 3733785, 4126815, 5227299, 7128135, 8712165, 11201355, 15681897, 26136495, 78409485]

約数ペア:

[(1, 78409485), (3, 26136495), (5, 15681897), (7, 11201355), (9, 8712165), (11, 7128135), (15, 5227299), (19, 4126815), (21, 3733785), (27, 2904055), (33, 2376045), (35, 2240271), (45, 1742433), (55, 1425627), (57, 1375605), (63, 1244595), (77, 1018305), (95, 825363), (99, 792015), (105, 746757), (133, 589545), (135, 580811), (165, 475209), (171, 458535), (189, 414865), (209, 375165), (231, 339435), (285, 275121), (297, 264005), (315, 248919), (385, 203661), (397, 197505), (399, 196515), (495, 158403), (513, 152845), (627, 125055), (665, 117909), (693, 113145), (855, 91707), (945, 82973), (1045, 75033), (1155, 67887), (1191, 65835), (1197, 65505), (1463, 53595), (1485, 52801), (1881, 41685), (1985, 39501), (1995, 39303), (2079, 37715), (2565, 30569), (2779, 28215), (3135, 25011), (3465, 22629), (3573, 21945), (3591, 21835), (4367, 17955), (4389, 17865), (5643, 13895), (5955, 13167), (5985, 13101), (7315, 10719), (7543, 10395), (8337, 9405)]