660973326

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:753

約数の個数: 64

約数和(自身を含む): 1448832000

約数和(自身を除く): 787858674

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 97, 194, 199, 291, 398, 439, 582, 597, 878, 1194, 1261, 1317, 2522, 2587, 2634, 3783, 5174, 5707, 7566, 7761, 11414, 15522, 17121, 19303, 34242, 38606, 42583, 57909, 85166, 87361, 115818, 127749, 174722, 250939, 255498, 262083, 501878, 524166, 553579, 752817, 1107158, 1135693, 1505634, 1660737, 2271386, 3321474, 3407079, 6814158, 8474017, 16948034, 25422051, 50844102, 110162221, 220324442, 330486663, 660973326]

約数ペア:

[(1, 660973326), (2, 330486663), (3, 220324442), (6, 110162221), (13, 50844102), (26, 25422051), (39, 16948034), (78, 8474017), (97, 6814158), (194, 3407079), (199, 3321474), (291, 2271386), (398, 1660737), (439, 1505634), (582, 1135693), (597, 1107158), (878, 752817), (1194, 553579), (1261, 524166), (1317, 501878), (2522, 262083), (2587, 255498), (2634, 250939), (3783, 174722), (5174, 127749), (5707, 115818), (7566, 87361), (7761, 85166), (11414, 57909), (15522, 42583), (17121, 38606), (19303, 34242)]