64741474

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 125798400

約数和(自身を除く): 61056926

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 103, 119, 133, 139, 206, 238, 266, 278, 323, 646, 721, 973, 1442, 1751, 1946, 1957, 2261, 2363, 2641, 3502, 3914, 4522, 4726, 5282, 12257, 13699, 14317, 16541, 18487, 24514, 27398, 28634, 33082, 33269, 36974, 44897, 66538, 89794, 100219, 200438, 232883, 243389, 272023, 314279, 465766, 486778, 544046, 628558, 1703723, 1904161, 3407446, 3808322, 4624391, 9248782, 32370737, 64741474]

約数ペア:

[(1, 64741474), (2, 32370737), (7, 9248782), (14, 4624391), (17, 3808322), (19, 3407446), (34, 1904161), (38, 1703723), (103, 628558), (119, 544046), (133, 486778), (139, 465766), (206, 314279), (238, 272023), (266, 243389), (278, 232883), (323, 200438), (646, 100219), (721, 89794), (973, 66538), (1442, 44897), (1751, 36974), (1946, 33269), (1957, 33082), (2261, 28634), (2363, 27398), (2641, 24514), (3502, 18487), (3914, 16541), (4522, 14317), (4726, 13699), (5282, 12257)]