440804

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:204

約数の個数: 36

約数和(自身を含む): 971964

約数和(自身を除く): 531160

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 173, 182, 196, 346, 364, 637, 692, 1211, 1274, 2249, 2422, 2548, 4498, 4844, 8477, 8996, 15743, 16954, 31486, 33908, 62972, 110201, 220402, 440804]

約数ペア:

[(1, 440804), (2, 220402), (4, 110201), (7, 62972), (13, 33908), (14, 31486), (26, 16954), (28, 15743), (49, 8996), (52, 8477), (91, 4844), (98, 4498), (173, 2548), (182, 2422), (196, 2249), (346, 1274), (364, 1211), (637, 692)]