40640523

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 72990720

約数和(自身を除く): 32350197

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 79, 119, 131, 187, 231, 237, 357, 393, 553, 561, 869, 917, 1309, 1343, 1441, 1659, 2227, 2607, 2751, 3927, 4029, 4323, 6083, 6681, 9401, 10087, 10349, 14773, 15589, 18249, 24497, 28203, 30261, 31047, 44319, 46767, 72443, 73491, 103411, 113839, 171479, 175933, 217329, 310233, 341517, 514437, 527799, 796873, 1231531, 1935263, 2390619, 3694593, 5805789, 13546841, 40640523]

約数ペア:

[(1, 40640523), (3, 13546841), (7, 5805789), (11, 3694593), (17, 2390619), (21, 1935263), (33, 1231531), (51, 796873), (77, 527799), (79, 514437), (119, 341517), (131, 310233), (187, 217329), (231, 175933), (237, 171479), (357, 113839), (393, 103411), (553, 73491), (561, 72443), (869, 46767), (917, 44319), (1309, 31047), (1343, 30261), (1441, 28203), (1659, 24497), (2227, 18249), (2607, 15589), (2751, 14773), (3927, 10349), (4029, 10087), (4323, 9401), (6083, 6681)]