66805995

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 119232000

約数和(自身を除く): 52426005

約数列:

[1, 3, 5, 15, 19, 29, 57, 59, 87, 95, 137, 145, 177, 285, 295, 411, 435, 551, 685, 885, 1121, 1653, 1711, 2055, 2603, 2755, 3363, 3973, 5133, 5605, 7809, 8083, 8265, 8555, 11919, 13015, 16815, 19865, 24249, 25665, 32509, 39045, 40415, 59595, 75487, 97527, 121245, 153577, 162545, 226461, 234407, 377435, 460731, 487635, 703221, 767885, 1132305, 1172035, 2303655, 3516105, 4453733, 13361199, 22268665, 66805995]

約数ペア:

[(1, 66805995), (3, 22268665), (5, 13361199), (15, 4453733), (19, 3516105), (29, 2303655), (57, 1172035), (59, 1132305), (87, 767885), (95, 703221), (137, 487635), (145, 460731), (177, 377435), (285, 234407), (295, 226461), (411, 162545), (435, 153577), (551, 121245), (685, 97527), (885, 75487), (1121, 59595), (1653, 40415), (1711, 39045), (2055, 32509), (2603, 25665), (2755, 24249), (3363, 19865), (3973, 16815), (5133, 13015), (5605, 11919), (7809, 8555), (8083, 8265)]