661034605

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3929}}^1$

素因数の和:3994

約数の個数: 64

約数和(自身を含む): 1086566400

約数和(自身を除く): 425531795

約数列:

[1, 5, 7, 11, 19, 23, 35, 55, 77, 95, 115, 133, 161, 209, 253, 385, 437, 665, 805, 1045, 1265, 1463, 1771, 2185, 3059, 3929, 4807, 7315, 8855, 15295, 19645, 24035, 27503, 33649, 43219, 74651, 90367, 137515, 168245, 216095, 302533, 373255, 451835, 522557, 632569, 821161, 994037, 1512665, 1716973, 2612785, 3162845, 4105805, 4970185, 5748127, 6958259, 8584865, 12018811, 18886703, 28740635, 34791295, 60094055, 94433515, 132206921, 661034605]

約数ペア:

[(1, 661034605), (5, 132206921), (7, 94433515), (11, 60094055), (19, 34791295), (23, 28740635), (35, 18886703), (55, 12018811), (77, 8584865), (95, 6958259), (115, 5748127), (133, 4970185), (161, 4105805), (209, 3162845), (253, 2612785), (385, 1716973), (437, 1512665), (665, 994037), (805, 821161), (1045, 632569), (1265, 522557), (1463, 451835), (1771, 373255), (2185, 302533), (3059, 216095), (3929, 168245), (4807, 137515), (7315, 90367), (8855, 74651), (15295, 43219), (19645, 33649), (24035, 27503)]