81742128

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1297}}^1$

素因数の和:1422

約数の個数: 80

約数和(自身を含む): 229839456

約数和(自身を除く): 148097328

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 101, 104, 156, 202, 208, 303, 312, 404, 606, 624, 808, 1212, 1297, 1313, 1616, 2424, 2594, 2626, 3891, 3939, 4848, 5188, 5252, 7782, 7878, 10376, 10504, 15564, 15756, 16861, 20752, 21008, 31128, 31512, 33722, 50583, 62256, 63024, 67444, 101166, 130997, 134888, 202332, 261994, 269776, 392991, 404664, 523988, 785982, 809328, 1047976, 1571964, 1702961, 2095952, 3143928, 3405922, 5108883, 6287856, 6811844, 10217766, 13623688, 20435532, 27247376, 40871064, 81742128]

約数ペア:

[(1, 81742128), (2, 40871064), (3, 27247376), (4, 20435532), (6, 13623688), (8, 10217766), (12, 6811844), (13, 6287856), (16, 5108883), (24, 3405922), (26, 3143928), (39, 2095952), (48, 1702961), (52, 1571964), (78, 1047976), (101, 809328), (104, 785982), (156, 523988), (202, 404664), (208, 392991), (303, 269776), (312, 261994), (404, 202332), (606, 134888), (624, 130997), (808, 101166), (1212, 67444), (1297, 63024), (1313, 62256), (1616, 50583), (2424, 33722), (2594, 31512), (2626, 31128), (3891, 21008), (3939, 20752), (4848, 16861), (5188, 15756), (5252, 15564), (7782, 10504), (7878, 10376)]