28208388

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:377

約数の個数: 96

約数和(自身を含む): 77271040

約数和(自身を除く): 49062652

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 31, 38, 39, 52, 57, 62, 76, 78, 93, 114, 124, 156, 186, 228, 247, 307, 372, 403, 494, 589, 614, 741, 806, 921, 988, 1178, 1209, 1228, 1482, 1612, 1767, 1842, 2356, 2418, 2964, 3534, 3684, 3991, 4836, 5833, 7068, 7657, 7982, 9517, 11666, 11973, 15314, 15964, 17499, 19034, 22971, 23332, 23946, 28551, 30628, 34998, 38068, 45942, 47892, 57102, 69996, 75829, 91884, 114204, 123721, 151658, 180823, 227487, 247442, 303316, 361646, 371163, 454974, 494884, 542469, 723292, 742326, 909948, 1084938, 1484652, 2169876, 2350699, 4701398, 7052097, 9402796, 14104194, 28208388]

約数ペア:

[(1, 28208388), (2, 14104194), (3, 9402796), (4, 7052097), (6, 4701398), (12, 2350699), (13, 2169876), (19, 1484652), (26, 1084938), (31, 909948), (38, 742326), (39, 723292), (52, 542469), (57, 494884), (62, 454974), (76, 371163), (78, 361646), (93, 303316), (114, 247442), (124, 227487), (156, 180823), (186, 151658), (228, 123721), (247, 114204), (307, 91884), (372, 75829), (403, 69996), (494, 57102), (589, 47892), (614, 45942), (741, 38068), (806, 34998), (921, 30628), (988, 28551), (1178, 23946), (1209, 23332), (1228, 22971), (1482, 19034), (1612, 17499), (1767, 15964), (1842, 15314), (2356, 11973), (2418, 11666), (2964, 9517), (3534, 7982), (3684, 7657), (3991, 7068), (4836, 5833)]