31728788

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1301}}^1$

素因数の和:1392

約数の個数: 48

約数和(自身を含む): 69412224

約数和(自身を除く): 37683436

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 67, 91, 134, 182, 268, 364, 469, 871, 938, 1301, 1742, 1876, 2602, 3484, 5204, 6097, 9107, 12194, 16913, 18214, 24388, 33826, 36428, 67652, 87167, 118391, 174334, 236782, 348668, 473564, 610169, 1133171, 1220338, 2266342, 2440676, 4532684, 7932197, 15864394, 31728788]

約数ペア:

[(1, 31728788), (2, 15864394), (4, 7932197), (7, 4532684), (13, 2440676), (14, 2266342), (26, 1220338), (28, 1133171), (52, 610169), (67, 473564), (91, 348668), (134, 236782), (182, 174334), (268, 118391), (364, 87167), (469, 67652), (871, 36428), (938, 33826), (1301, 24388), (1742, 18214), (1876, 16913), (2602, 12194), (3484, 9107), (5204, 6097)]