398657985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1321}}^1$

素因数の和:1430

約数の個数: 64

約数和(自身を含む): 731013120

約数和(自身を除く): 332355135

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 59, 93, 155, 165, 177, 295, 341, 465, 649, 885, 1023, 1321, 1705, 1829, 1947, 3245, 3963, 5115, 5487, 6605, 9145, 9735, 14531, 19815, 20119, 27435, 40951, 43593, 60357, 72655, 77939, 100595, 122853, 204755, 217965, 233817, 301785, 389695, 450461, 614265, 857329, 1169085, 1351383, 2252305, 2416109, 2571987, 4286645, 6756915, 7248327, 12080545, 12859935, 26577199, 36241635, 79731597, 132885995, 398657985]

約数ペア:

[(1, 398657985), (3, 132885995), (5, 79731597), (11, 36241635), (15, 26577199), (31, 12859935), (33, 12080545), (55, 7248327), (59, 6756915), (93, 4286645), (155, 2571987), (165, 2416109), (177, 2252305), (295, 1351383), (341, 1169085), (465, 857329), (649, 614265), (885, 450461), (1023, 389695), (1321, 301785), (1705, 233817), (1829, 217965), (1947, 204755), (3245, 122853), (3963, 100595), (5115, 77939), (5487, 72655), (6605, 60357), (9145, 43593), (9735, 40951), (14531, 27435), (19815, 20119)]