90815816

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:355

約数の個数: 96

約数和(自身を含む): 217183680

約数和(自身を除く): 126367864

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 71, 91, 98, 104, 142, 182, 196, 251, 284, 364, 392, 497, 502, 568, 637, 728, 923, 994, 1004, 1274, 1757, 1846, 1988, 2008, 2548, 3263, 3479, 3514, 3692, 3976, 5096, 6461, 6526, 6958, 7028, 7384, 12299, 12922, 13052, 13916, 14056, 17821, 22841, 24598, 25844, 26104, 27832, 35642, 45227, 45682, 49196, 51688, 71284, 90454, 91364, 98392, 124747, 142568, 159887, 180908, 182728, 231673, 249494, 319774, 361816, 463346, 498988, 639548, 873229, 926692, 997976, 1279096, 1621711, 1746458, 1853384, 3243422, 3492916, 6486844, 6985832, 11351977, 12973688, 22703954, 45407908, 90815816]

約数ペア:

[(1, 90815816), (2, 45407908), (4, 22703954), (7, 12973688), (8, 11351977), (13, 6985832), (14, 6486844), (26, 3492916), (28, 3243422), (49, 1853384), (52, 1746458), (56, 1621711), (71, 1279096), (91, 997976), (98, 926692), (104, 873229), (142, 639548), (182, 498988), (196, 463346), (251, 361816), (284, 319774), (364, 249494), (392, 231673), (497, 182728), (502, 180908), (568, 159887), (637, 142568), (728, 124747), (923, 98392), (994, 91364), (1004, 90454), (1274, 71284), (1757, 51688), (1846, 49196), (1988, 45682), (2008, 45227), (2548, 35642), (3263, 27832), (3479, 26104), (3514, 25844), (3692, 24598), (3976, 22841), (5096, 17821), (6461, 14056), (6526, 13916), (6958, 13052), (7028, 12922), (7384, 12299)]