12478972

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 26812800

約数和(自身を除く): 14333828

約数列:

[1, 2, 4, 11, 19, 22, 23, 38, 44, 46, 59, 76, 92, 118, 121, 209, 236, 242, 253, 418, 437, 484, 506, 649, 836, 874, 1012, 1121, 1298, 1357, 1748, 2242, 2299, 2596, 2714, 2783, 4484, 4598, 4807, 5428, 5566, 7139, 9196, 9614, 11132, 12331, 14278, 14927, 19228, 24662, 25783, 28556, 29854, 49324, 51566, 52877, 59708, 103132, 105754, 135641, 164197, 211508, 271282, 283613, 328394, 542564, 567226, 656788, 1134452, 3119743, 6239486, 12478972]

約数ペア:

[(1, 12478972), (2, 6239486), (4, 3119743), (11, 1134452), (19, 656788), (22, 567226), (23, 542564), (38, 328394), (44, 283613), (46, 271282), (59, 211508), (76, 164197), (92, 135641), (118, 105754), (121, 103132), (209, 59708), (236, 52877), (242, 51566), (253, 49324), (418, 29854), (437, 28556), (484, 25783), (506, 24662), (649, 19228), (836, 14927), (874, 14278), (1012, 12331), (1121, 11132), (1298, 9614), (1357, 9196), (1748, 7139), (2242, 5566), (2299, 5428), (2596, 4807), (2714, 4598), (2783, 4484)]