81216250596

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{524287}}^1$

素因数の和:524641

約数の個数: 72

約数和(自身を含む): 221757046784

約数和(自身を除く): 140540796188

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 331, 468, 662, 993, 1324, 1986, 2979, 3972, 4303, 5958, 8606, 11916, 12909, 17212, 25818, 38727, 51636, 77454, 154908, 524287, 1048574, 1572861, 2097148, 3145722, 4718583, 6291444, 6815731, 9437166, 13631462, 18874332, 20447193, 27262924, 40894386, 61341579, 81788772, 122683158, 173538997, 245366316, 347077994, 520616991, 694155988, 1041233982, 1561850973, 2082467964, 2256006961, 3123701946, 4512013922, 6247403892, 6768020883, 9024027844, 13536041766, 20304062649, 27072083532, 40608125298, 81216250596]

約数ペア:

[(1, 81216250596), (2, 40608125298), (3, 27072083532), (4, 20304062649), (6, 13536041766), (9, 9024027844), (12, 6768020883), (13, 6247403892), (18, 4512013922), (26, 3123701946), (36, 2256006961), (39, 2082467964), (52, 1561850973), (78, 1041233982), (117, 694155988), (156, 520616991), (234, 347077994), (331, 245366316), (468, 173538997), (662, 122683158), (993, 81788772), (1324, 61341579), (1986, 40894386), (2979, 27262924), (3972, 20447193), (4303, 18874332), (5958, 13631462), (8606, 9437166), (11916, 6815731), (12909, 6291444), (17212, 4718583), (25818, 3145722), (38727, 2097148), (51636, 1572861), (77454, 1048574), (154908, 524287)]