168400908

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{587}}^1\times {\mathrm{613}}^1$

素因数の和:1223

約数の個数: 72

約数和(自身を含む): 459954768

約数和(自身を除く): 291553860

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 587, 613, 1174, 1226, 1761, 1839, 2348, 2452, 3522, 3678, 5283, 5517, 7044, 7356, 7631, 7969, 10566, 11034, 15262, 15938, 21132, 22068, 22893, 23907, 30524, 31876, 45786, 47814, 68679, 71721, 91572, 95628, 137358, 143442, 274716, 286884, 359831, 719662, 1079493, 1439324, 2158986, 3238479, 4317972, 4677803, 6476958, 9355606, 12953916, 14033409, 18711212, 28066818, 42100227, 56133636, 84200454, 168400908]

約数ペア:

[(1, 168400908), (2, 84200454), (3, 56133636), (4, 42100227), (6, 28066818), (9, 18711212), (12, 14033409), (13, 12953916), (18, 9355606), (26, 6476958), (36, 4677803), (39, 4317972), (52, 3238479), (78, 2158986), (117, 1439324), (156, 1079493), (234, 719662), (468, 359831), (587, 286884), (613, 274716), (1174, 143442), (1226, 137358), (1761, 95628), (1839, 91572), (2348, 71721), (2452, 68679), (3522, 47814), (3678, 45786), (5283, 31876), (5517, 30524), (7044, 23907), (7356, 22893), (7631, 22068), (7969, 21132), (10566, 15938), (11034, 15262)]