40008507

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 70975488

約数和(自身を除く): 30966981

約数列:

[1, 3, 7, 11, 21, 31, 33, 37, 77, 93, 111, 151, 217, 231, 259, 341, 407, 453, 651, 777, 1023, 1057, 1147, 1221, 1661, 2387, 2849, 3171, 3441, 4681, 4983, 5587, 7161, 8029, 8547, 11627, 12617, 14043, 16761, 24087, 32767, 34881, 37851, 39109, 51491, 61457, 88319, 98301, 117327, 154473, 173197, 184371, 264957, 360437, 430199, 519591, 1081311, 1212379, 1290597, 1905167, 3637137, 5715501, 13336169, 40008507]

約数ペア:

[(1, 40008507), (3, 13336169), (7, 5715501), (11, 3637137), (21, 1905167), (31, 1290597), (33, 1212379), (37, 1081311), (77, 519591), (93, 430199), (111, 360437), (151, 264957), (217, 184371), (231, 173197), (259, 154473), (341, 117327), (407, 98301), (453, 88319), (651, 61457), (777, 51491), (1023, 39109), (1057, 37851), (1147, 34881), (1221, 32767), (1661, 24087), (2387, 16761), (2849, 14043), (3171, 12617), (3441, 11627), (4681, 8547), (4983, 8029), (5587, 7161)]