90423788

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 198852192

約数和(自身を除く): 108428404

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 97, 169, 182, 194, 197, 338, 364, 388, 394, 676, 679, 788, 1183, 1261, 1358, 1379, 2366, 2522, 2561, 2716, 2758, 4732, 5044, 5122, 5516, 8827, 10244, 16393, 17654, 17927, 19109, 32786, 33293, 35308, 35854, 38218, 65572, 66586, 71708, 76436, 114751, 133172, 133763, 229502, 233051, 248417, 267526, 459004, 466102, 496834, 535052, 932204, 993668, 1738919, 3229421, 3477838, 6458842, 6955676, 12917684, 22605947, 45211894, 90423788]

約数ペア:

[(1, 90423788), (2, 45211894), (4, 22605947), (7, 12917684), (13, 6955676), (14, 6458842), (26, 3477838), (28, 3229421), (52, 1738919), (91, 993668), (97, 932204), (169, 535052), (182, 496834), (194, 466102), (197, 459004), (338, 267526), (364, 248417), (388, 233051), (394, 229502), (676, 133763), (679, 133172), (788, 114751), (1183, 76436), (1261, 71708), (1358, 66586), (1379, 65572), (2366, 38218), (2522, 35854), (2561, 35308), (2716, 33293), (2758, 32786), (4732, 19109), (5044, 17927), (5122, 17654), (5516, 16393), (8827, 10244)]