1555405904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1\times {\mathrm{521}}^1$

素因数の和:1036

約数の個数: 80

約数和(自身を含む): 3363784704

約数和(自身を除く): 1808378800

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 463, 496, 521, 806, 926, 1042, 1612, 1852, 2084, 3224, 3704, 4168, 6019, 6448, 6773, 7408, 8336, 12038, 13546, 14353, 16151, 24076, 27092, 28706, 32302, 48152, 54184, 57412, 64604, 96304, 108368, 114824, 129208, 186589, 209963, 229648, 241223, 258416, 373178, 419926, 482446, 746356, 839852, 964892, 1492712, 1679704, 1929784, 2985424, 3135899, 3359408, 3859568, 6271798, 7477913, 12543596, 14955826, 25087192, 29911652, 50174384, 59823304, 97212869, 119646608, 194425738, 388851476, 777702952, 1555405904]

約数ペア:

[(1, 1555405904), (2, 777702952), (4, 388851476), (8, 194425738), (13, 119646608), (16, 97212869), (26, 59823304), (31, 50174384), (52, 29911652), (62, 25087192), (104, 14955826), (124, 12543596), (208, 7477913), (248, 6271798), (403, 3859568), (463, 3359408), (496, 3135899), (521, 2985424), (806, 1929784), (926, 1679704), (1042, 1492712), (1612, 964892), (1852, 839852), (2084, 746356), (3224, 482446), (3704, 419926), (4168, 373178), (6019, 258416), (6448, 241223), (6773, 229648), (7408, 209963), (8336, 186589), (12038, 129208), (13546, 114824), (14353, 108368), (16151, 96304), (24076, 64604), (27092, 57412), (28706, 54184), (32302, 48152)]