400964543

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 520262400

約数和(自身を除く): 119297857

約数列:

[1, 7, 19, 23, 41, 133, 139, 161, 287, 437, 529, 779, 943, 973, 2641, 3059, 3197, 3703, 5453, 5699, 6601, 10051, 17917, 18487, 21689, 22379, 39893, 60743, 70357, 73531, 108281, 125419, 131077, 151823, 412091, 425201, 514717, 757967, 917539, 1397089, 2490463, 2884637, 3014771, 9779623, 17433241, 21103397, 57280649, 400964543]

約数ペア:

[(1, 400964543), (7, 57280649), (19, 21103397), (23, 17433241), (41, 9779623), (133, 3014771), (139, 2884637), (161, 2490463), (287, 1397089), (437, 917539), (529, 757967), (779, 514717), (943, 425201), (973, 412091), (2641, 151823), (3059, 131077), (3197, 125419), (3703, 108281), (5453, 73531), (5699, 70357), (6601, 60743), (10051, 39893), (17917, 22379), (18487, 21689)]