31127928

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:189

約数の個数: 128

約数和(自身を含む): 90720000

約数和(自身を除く): 59592072

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 59, 76, 78, 89, 104, 114, 118, 152, 156, 177, 178, 228, 236, 247, 267, 312, 354, 356, 456, 472, 494, 534, 708, 712, 741, 767, 988, 1068, 1121, 1157, 1416, 1482, 1534, 1691, 1976, 2136, 2242, 2301, 2314, 2964, 3068, 3363, 3382, 3471, 4484, 4602, 4628, 5073, 5251, 5928, 6136, 6726, 6764, 6942, 8968, 9204, 9256, 10146, 10502, 13452, 13528, 13884, 14573, 15753, 18408, 20292, 21004, 21983, 26904, 27768, 29146, 31506, 40584, 42008, 43719, 43966, 58292, 63012, 65949, 68263, 87438, 87932, 99769, 116584, 126024, 131898, 136526, 174876, 175864, 199538, 204789, 263796, 273052, 299307, 349752, 399076, 409578, 527592, 546104, 598614, 798152, 819156, 1197228, 1296997, 1638312, 2394456, 2593994, 3890991, 5187988, 7781982, 10375976, 15563964, 31127928]

約数ペア:

[(1, 31127928), (2, 15563964), (3, 10375976), (4, 7781982), (6, 5187988), (8, 3890991), (12, 2593994), (13, 2394456), (19, 1638312), (24, 1296997), (26, 1197228), (38, 819156), (39, 798152), (52, 598614), (57, 546104), (59, 527592), (76, 409578), (78, 399076), (89, 349752), (104, 299307), (114, 273052), (118, 263796), (152, 204789), (156, 199538), (177, 175864), (178, 174876), (228, 136526), (236, 131898), (247, 126024), (267, 116584), (312, 99769), (354, 87932), (356, 87438), (456, 68263), (472, 65949), (494, 63012), (534, 58292), (708, 43966), (712, 43719), (741, 42008), (767, 40584), (988, 31506), (1068, 29146), (1121, 27768), (1157, 26904), (1416, 21983), (1482, 21004), (1534, 20292), (1691, 18408), (1976, 15753), (2136, 14573), (2242, 13884), (2301, 13528), (2314, 13452), (2964, 10502), (3068, 10146), (3363, 9256), (3382, 9204), (3471, 8968), (4484, 6942), (4602, 6764), (4628, 6726), (5073, 6136), (5251, 5928)]