231420332

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{421}}^1$

素因数の和:511

約数の個数: 72

約数和(自身を含む): 492798096

約数和(自身を除く): 261377764

約数列:

[1, 2, 4, 11, 13, 22, 26, 31, 44, 52, 62, 124, 143, 286, 341, 403, 421, 572, 682, 806, 842, 961, 1364, 1612, 1684, 1922, 3844, 4433, 4631, 5473, 8866, 9262, 10571, 10946, 12493, 13051, 17732, 18524, 21142, 21892, 24986, 26102, 42284, 49972, 52204, 60203, 120406, 137423, 143561, 169663, 240812, 274846, 287122, 339326, 404581, 549692, 574244, 678652, 809162, 1618324, 1866293, 3732586, 4450391, 5259553, 7465172, 8900782, 10519106, 17801564, 21038212, 57855083, 115710166, 231420332]

約数ペア:

[(1, 231420332), (2, 115710166), (4, 57855083), (11, 21038212), (13, 17801564), (22, 10519106), (26, 8900782), (31, 7465172), (44, 5259553), (52, 4450391), (62, 3732586), (124, 1866293), (143, 1618324), (286, 809162), (341, 678652), (403, 574244), (421, 549692), (572, 404581), (682, 339326), (806, 287122), (842, 274846), (961, 240812), (1364, 169663), (1612, 143561), (1684, 137423), (1922, 120406), (3844, 60203), (4433, 52204), (4631, 49972), (5473, 42284), (8866, 26102), (9262, 24986), (10571, 21892), (10946, 21142), (12493, 18524), (13051, 17732)]