31309596

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:299

約数の個数: 72

約数和(自身を含む): 81681600

約数和(自身を除く): 50372004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 101, 109, 158, 202, 218, 237, 303, 316, 327, 404, 436, 474, 606, 654, 711, 909, 948, 981, 1212, 1308, 1422, 1818, 1962, 2844, 3636, 3924, 7979, 8611, 11009, 15958, 17222, 22018, 23937, 25833, 31916, 33027, 34444, 44036, 47874, 51666, 66054, 71811, 77499, 95748, 99081, 103332, 132108, 143622, 154998, 198162, 287244, 309996, 396324, 869711, 1739422, 2609133, 3478844, 5218266, 7827399, 10436532, 15654798, 31309596]

約数ペア:

[(1, 31309596), (2, 15654798), (3, 10436532), (4, 7827399), (6, 5218266), (9, 3478844), (12, 2609133), (18, 1739422), (36, 869711), (79, 396324), (101, 309996), (109, 287244), (158, 198162), (202, 154998), (218, 143622), (237, 132108), (303, 103332), (316, 99081), (327, 95748), (404, 77499), (436, 71811), (474, 66054), (606, 51666), (654, 47874), (711, 44036), (909, 34444), (948, 33027), (981, 31916), (1212, 25833), (1308, 23937), (1422, 22018), (1818, 17222), (1962, 15958), (2844, 11009), (3636, 8611), (3924, 7979)]